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# FS Circuits

## Sitemaps
[XML Sitemap](https://www.fscircuits.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [PCB Design Workflow: Beginners’ Guide and Best Practices](https://www.fscircuits.com/pcb-design-workflow/): The design for PCBs serves as the bridge between a schematic on your screen and a physical board that actually works. For beginners, the path from drawing a circuit to sending Gerber files to a manufacturer can feel like a maze of software menus, design rules, and cryptic DRC errors.This beginner's guide will help you learn more about the main steps in the PCB design workflow and the best practices and tips for designing a PCB.
- [Mastering PCB Soldering: Types, Machines & Best Practices](https://www.fscircuits.com/pcb-soldering-best-practices/): About 60 to 70 percent of all SMT defects originate from improper and ineffective PCB soldering. This guide will help you master all things about circuit board soldering, including its types, tools, equipment, and temperature range during the process, how to choose the best solder for circuit boards, best practices for soldering printed circuit boards, and how to solve common defects during soldering.
- [What Is Thermal Profiling & How to Implement It?](https://www.fscircuits.com/thermal-profiling-in-pcb-assembly/): Have you ever wondered why a perfectly designed PCB assembly can still fail in the field, or why some PCB products suffer from inconsistent reliability? The answer often lies in an invisible but critical process: Thermal Profiling in PCBA.This blog will guide you through more about this temperature profiling, including why it matters for PCBA, the stages of it, how to create a thermal profile, common defects and solutions, best practices, and guidelines for this profiling in PCBA.
- [Mastering PCB Shielding: Why Use It & Best Practices](https://www.fscircuits.com/pcb-shielding-guide/): EMI issues have become one of the major challenges during PCB design, requiring the implementation of proper PCB shielding techniques to ensure the reliable operation of the electronics.This guide will help you master this PCB shielding technique, including its types, importance, applications, what needs to be shielded on PCBs, and some best practices for this board-level shield.
- [What is a PCB Stencil: How to Make, Use & Design It?](https://www.fscircuits.com/pcb-stencils-explained/): Most engineers think of the PCB stencil as just a laser-cut piece of stainless steel that transfers solder paste from point A to point B. But in fact, this circuit board stencil aperture design, thickness, and surface finish directly determine paste volume, print consistency, and ultimately, your SMT assembly yield.This post will guide you through all things about this SMT stencil, including its thickness, materials, types, why do we need stencil for PCB assembly, how this stencil is made, how to use this PCB solder paste stencil properly, and design best practices.
- [What is a PCB Trace: Everything to Know](https://www.fscircuits.com/pcb-traces-explained/): A PCB trace is a copper transmission line with distributed capacitance, inductance, and resistance. Proper design of these circuit board traces can prevent issues like overheating, signal distortion, or intermittent failures.Let's dive into the details of this circuit trace, including its width, spacing, typical thickness, materials, a guide for repairing broken trace PCB, and design considerations for these traces on PCBs.
- [Solder Paste Printing: Ultimate Guide and Best Practices](https://www.fscircuits.com/solder-paste-printing-guide/): Below are the most common solder paste printing defects, along with their bad impacts and root causes:
- [What are Biodegradable PCBs and Why Use Them?](https://www.fscircuits.com/biodegradable-pcb/): Biodegradable circuit boards break down into non-toxic materials after use, addressing electronic waste issues. They replace traditional petroleum-based substrates like FR-4 with biopolymers such as cellulose nanofibril (CNF), polylactic acid (PLA), or silk fibroin.Their conductive pathways use transient metals or conductive polymers that dissolve under specific environmental conditions, such as moisture or others. Currently, these biodegradable PCB manufacturing techniques are in the research phase, with commercial success dependent on advancements in material science and standardized decomposition validation protocols.https://youtu.be/7_j60I3tMHw?si=XlBWSFMrCAXRUP6s
- [Black PCBs: All Things to Know](https://www.fscircuits.com/black-pcb-explained/): Black PCBs typically refer to standard FR4 PCBs with a black solder mask and a substrate with a natural brown color. A rarer and more expensive kind of these black circuit boards is black FR4 PCBs with a completely dyed black substrate.The key difference is that the black core FR4 board is completely opaque, whereas the black solder mask only blocks surface light.
- [SMT vs THT PCB Assembly: How to Choose?](https://www.fscircuits.com/smt-vs-tht-pcba/): Have you ever thought about how smartphones contain tiny electronic components, but electrical power sources are made of larger elements with long wires? When making a printed circuit board, which option should you take between SMT and THT?Your choice can directly affect the cost, size, reliability, and speed of your product manufacturing. This guide will help you learn more about SMT vs THT in soldering, components, and more. You will also learn how to choose between the two for your PCB assembly.
- [Explaining Laser Direct Imaging in PCB Manufacturing](https://www.fscircuits.com/laser-direct-imaging-pcb/): For decades, PCB manufacturing has relied on phototool film that stretches with humidity, scratches with handling, and degrades with every exposure. Driven by finer features like HDI design, advanced packaging, and high-speed interfaces, traditional photolithography has been replaced by laser direct imaging with higher accuracy and yield nowadays.This post will guide you through all things about this LDI tech in PCB manufacturing, including its role, how it works, advantages, applications, process, and best practices.
- [What are Computer PCBs: A Comprehensive Guide 2026](https://www.fscircuits.com/computer-pcb-explained/): From NVIDIA’s Rubin platform with its cableless architecture to hyperscale ASIC servers using ultra-high-layer HDI designs, computer PCBs are becoming the foundation of AI compute power nowadays.This guide will help you learn more about computer circuit boards, including types, parts, and applications. You will also learn how to design them properly and why to partner with a manufacturer like FS Circuits for computer PCB manufacturing and assembly.
- [How Does PCB Cross Hatching Maximize Performance?](https://www.fscircuits.com/maximize-performance-with-pcb-cross-hatching/): In PCB design, PCB cross hatching helps to create a pattern of intersecting lines on the copper layers. It’s often used to improve thermal dissipation, reduce impedance, and enhance overall board performance.This guide will help you learn more about this technique, including how it helps to enhance PCB performance, applications, impedance, what the hatched ground plane is, and how it varies from the solid one, best practices of cross-hatched planes, and more.
- [PCB Testing Explained: Ultimate Guide 2026](https://www.fscircuits.com/pcb-testing/): This electronic board testing refers to a critical, multi‑stage quality assurance process. It verifies the electrical integrity, functionality, and long‑term reliability of a PCBA before it is integrated into a final product.PCB testing helps identify potential issues such as open circuits, short circuits, solder defects, component misplacement, and incorrect component values.https://www.youtube.com/watch?v=R7Of8VWNR7I&pp=ygURaG93IHRvIHRlc3QgYSBwY2I%3D
- [PCB Open Circuits: Causes, How to Fix and Prevent Them?](https://www.fscircuits.com/pcb-open-circuits/): PCB open circuits are among the top causes of PCB field failures. They can be intermittent, thermally sensitive, or buried on inner layers where no optical inspection can see them.But most of these open circuits in PCBs are preventable and repairable. This guide will help you learn more about this PCB defect, including how it varies from short circuits and closed circuits, how to detect them, how to fix them, and how to prevent these PCB defects to ensure stable operation.
- [SMD vs THT: Key Differences and How to Choose?](https://www.fscircuits.com/smd-vs-tht-pcb/): About 90% of all PCB assemblies today use Surface Mount Technology (SMT), as the SMD components are smaller, cheaper to place, and support ultra‑high‑density designs. But for a high-reliability product like an automotive ECU, through-hole components still play an important role. So, what are the SMD vs THT key differences and how to choose between these two?This post will guide you through all the details about the differences between SMD and through hole components, soldering, and applications, and how to choose between these two.
- [High Frequency PCBs: How to Design and Select Materials?](https://www.fscircuits.com/high-frequency-pcb-guide/): These PCBs can significantly minimize signal attenuation, reflection, and distortion during transmission. Compared to traditional FR-4 materials, high frequency PCB materials can reduce signal loss by up to 40%.
- [PCB Edge Plating Guidelines: Design, Process & Thickness](https://www.fscircuits.com/pcb-edge-plating/): PCB edge plating, also called edge metallization, PCB castellated edges, or side plating, refers to the deposition of a conductive copper layer along the PCB outer contour. This PCB plating establishes electrical connections between the top layer, bottom layer, and even the internal layers of the PCB.
- [Top 9 China Flexible PCB Suppliers List 2026](https://www.fscircuits.com/china-flexible-pcb-suppliers/): In high-end flex PCB production and assembly, Chinese suppliers also possess world-class capabilities like Roll-to-Roll (RTR) production technology and mass-producing 1-8 layers or even higher layer counts of FPC.They also effectively utilize advanced processes such as laser drilling, plasma de-bonding, and impedance control, ensuring high precision through equipment like Laser Direct Imaging (LDI).Additionally, most flexible PCB suppliers in China offer turnkey and one-stop FPC manufacturing and assembly services with efficiency and cost-effectiveness.
- [PCB Design for Manufacturability Guide: Best Practices](https://www.fscircuits.com/design-for-manufacturability/): In the rapidly evolving field of electronic manufacturing, ensuring reliability and efficiency is a primary concern. Approximately 70% of defects in PCB fab and assembly stem from design errors, highlighting the importance of Design for Manufacturability (DFM). But what exactly is DFM, and how can it be applied?This guide will explain what DFM means, its main elements, its importance, provide examples, and discuss the software involved. Furthermore, it will cover the PCB DFM checklist, principles, best practices, and common pitfalls to avoid when designing for manufacturing.
- [Chip on Board Technology: All Things You Need to Know](https://www.fscircuits.com/chip-on-board/): Chip on board removes the packaging of individual semiconductor devices. This makes the final product cheaper, lighter, and more compact. So, what is this technology on a PCB? How are these chips mounted on the PCBs?This ultimate guide will help you learn more about COB tech, including its types, pros, uses, and materials. You will also know how this tech varies from SMD, the manufacturing process, and how these chips are mounted on the PCBs. You will understand how to design for better chip-on-board assembly.
- [OEM and EMS Suppliers: How to Choose?](https://www.fscircuits.com/oem-and-ems-provider/): Understanding the different roles OEM and EMS providers play in product development and production is crucial when comparing them. To help you choose the best fit for your project, here is a brief overview.
- [Wireless PCB: Design, Manufacturing & PCBA Guide](https://www.fscircuits.com/wireless-pcb/): Using technologies like WiFi, Bluetooth, RF, NFC, and more, a wireless PCB is a unique PCB facilitating wireless communication between devices.With careful impedance control, high-frequency materials, and layouts to maintain signal integrity at RF frequencies, they are essential for modern smartphones, IoT gadgets, wearables, and other connected systems.
- [Semi Flexible PCBs: How to Design and Manufacture?](https://www.fscircuits.com/semi-flexible-pcb/): Compared with a standard rigid PCB, or a flexible or rigid-flex PCB, a semi flexible PCB can be a more flexible and cost-effective solution for fitting into ever-smaller, irregularly shaped spaces in constrained spaces.This guide will provide you with more information about these semi flex circuit boards, including their structure, materials, pros and cons, when and not to use these PCBs, how they vary from flex PCBs and rigid-flex PCBs, and guidelines for semi flex PCB designing and manufacturing.
- [SMT PnP Process: Best Practices and Tips](https://www.fscircuits.com/smt-pnp-process/): SMT PnP, which is also called SMT pick and place, is an automated and critical process in modern PCBA for SMT automation. During the SMT PnP process, high-speed robotic machines precisely pick surface-mount components from feeders and place them onto solder-pasted pads on a circuit board.Relying on vacuum nozzles, vision systems that verify component orientation and board fiducials, and sophisticated software, this process optimizes component placement efficiency in the SMT process.
- [High TG PCBs: Material Selection, Design Tips & Fabrication](https://www.fscircuits.com/high-tg-pcb/): For electronics requiring reliable and stable performance under high temperatures, standard PCB materials are inadequate to meet the requirements. However, high-temperature PCBs like high TG PCBs are designed to handle higher temperatures in these demanding applications. But what are they? What is TG in PCB?This post will guide you through all things about these PCBs, including how they differ from standard PCBs, what Tg in PCB is, types of these PCB materials, how to choose a suitable one, applications, costs, and advantages. Additionally, it will help you learn more about how to design these high-temperature PCBs, how to manufacture them, and why to partner with FS Circuits for your high Tg PCB solution.
- [IMS PCB: Material Properties, How to Design and Make?](https://www.fscircuits.com/ims-pcb/): A circuit board specifically designed for heat management is known as an IMS PCB, or metal core PCB. A thin dielectric layer, a copper circuit layer, and a metal base, typically copper or aluminum, are its three main layers.A built-in heat sink is the metal substrate. Heat transfer is permitted while electrical insulation is provided by the dielectric layer. When in use, these PCBs effectively remove heat from electrical components. Component failure and overheating are avoided by the design. In high-power applications where the typical PCB would fail from heat, they are essential.
- [PCB vs PCBA: Key Differences and How to Choose?](https://www.fscircuits.com/pcb-vs-pcba/): In today’s fast-paced electronics manufacturing, it's easy to confuse PCB and PCBA when designing electronics and ordering. Even though PCB and PCBA sound and look similar, they vary from each other in many aspects.So, what are the differences between PCB vs PCBA that allow PCB engineers and designers to successfully distinguish between these two items?This article will expand on the crucial differences between PCB and PCBA, what happens from bare PCB to PCBA, how they relate to each other, and how to choose between PCB manufacturing and PCB assembly services. You will also know why to partner with FS Circuits for advanced PCB manufacturing and assembly services.
- [Taconic PCB: Material Properties, Design and Manufacturing](https://www.fscircuits.com/taconic-pcb-material/): Selecting the best PCB material is important in order to achieve the best possible performance and reliability within the frame of modern electronics. Taconic PCB material, particularly in high-frequency applications, has been embraced globally.This blog will guide you through all things about this PCB material, including the Taconic material properties, how it varies from other high-frequency materials, its applications, and how to choose a suitable one for your project. You will also learn more about how to design these PCBs, solutions for the issues in the manufacturing process, and why to partner with a reliable China Taconic PCB manufacturer like FS Circuits.
- [Package on Package Technology: All You Need to Know](https://www.fscircuits.com/package-on-package/): Here are the differences and comparison of package-on-package tech and traditional isolated chip packaging and chip stacking:
- [Ultimate Guide to 4 Layer PCB Stackup 2026](https://www.fscircuits.com/4-layer-pcb/): A standard 4-layer PCB stackup consists of the following layers:Top Layer (Signal) → Inner Layer 1 (Ground Plane) → Inner Layer 2 (Power Plane) → Bottom Layer (Signal)And the functions of the different layers are as follows:
- [Why Use Halogen Free PCB and How to Make It 2026](https://www.fscircuits.com/what-is-halogen-free-pcb/): Halogen-free PCBs are circuit boards manufactured using base materials that contain no halogens above specified limits. According to the IEC 61249-2-21 standard, halogen free PCB materials must have bromine and chlorine content below 900 ppm each, and with total halogen content below 1500 ppm.Halogen-free PCBs are ideal for automotive, aerospace, and medical applications where safety, environmental compliance, and reduced emissions are critical.
- [The Ultimate Guide to Polyimide PCB 2026](https://www.fscircuits.com/polyimide-pcb/): Compared to standard and most common FR 4 PCB materials, Polyimide PCB materials are different in the aspects below:
- [China Teflon PCB Manufacturer: Custom PTFE PCBA| FS Circuits](https://www.fscircuits.com/teflon-pcb/): In those ultra-high-speed and RF/microwave applications, common PCB materials like FR-4 can't meet the requirements for signal integrity; therefore, Teflon PCB materials have become the key in these critical applications.In this guide, you will learn more about Teflon circuit boards, including their key types, properties, applications, and how they vary from Rogers PCBs and FR-4 PCB materials.You will also learn more about how to design, manufacture, and assemble these PTFE PCBs properly, how to optimize their cost, their future trends, and why to partner with a China Teflon PCB manufacturer like FS Circuits.
- [Turnkey LED PCBA Services & Manufacturer | FS Circuits](https://www.fscircuits.com/led-pcba/): To design a PCB for an effective LED PCBA, the following considerations must be taken:
- [White PCBs: Every Detail You Need to Know](https://www.fscircuits.com/white-pcb/): During the design, it's recommended to choose PCB silkscreen with darker colors like black or blue to intensify the visibility. Generally, a white PCB with a black silkscreen is the most common one.
- [Air Conditioner PCBs: How to Design, Check & Repair?](https://www.fscircuits.com/air-conditioner-pcb/): An air conditioner circuit board is the central electronic control unit managing the operation of a modern AC system. This PCB processes the user input from the remote control or thermostat and reads data from temperature sensors.The main functions of a PCB for air conditioner include regulating compressor cycles, adjusting fan speed, driving the louver motor, displaying system status, and monitoring for abnormal conditions to protect the unit.The main components of an air conditioner PCB are given below:
- [Turnkey & Advanced SMT PCB Assembly Services | FS Circuits](https://www.fscircuits.com/smt-pcb-assembly/): PCB SMT assembly has become the dominant method of electronics manufacturing. This PCB assembly SMT method solders the SMD components directly onto the flat copper pads on the PCB surface.By eliminating the need for millions of drilled holes and enabling fully automated PCB assembly, SMT PCB assembly allows for smaller, lighter, faster, and more cost-effective electronic devices with vastly higher component densities.
- [What is Ceramic PCB: A Deep Dive to Understand More](https://www.fscircuits.com/ceramic-pcbs/): Ceramic PCBs are becoming increasingly popular due to their excellent thermal conductivity, durability, and high-frequency performance. But what are the features of these boards? How are they manufactured?This post will provide a deep dive into these circuit boards, including their pros and cons, how they vary from FR-4 PCBs and MC PCBs, their types, materials, and applications.Additionally, we will describe the manufacturing process of these ceramic circuit boards, provide you with the design guidelines for these circuit boards, and introduce how to select a ceramic PCB manufacturer like FS Circuits for your project.
- [How Renewable Energy PCBA Powers New Energy Electronics?](https://www.fscircuits.com/renewable-energy-pcba/): A renewable energy PCBA refers to a specialized PCBA designed for applications like solar inverters, wind turbine controllers, battery management systems, and more.While a standard PCBA is designed for general electronics, a new energy PCBA should meet the extreme demands of energy generation, storage, and management systems.
- [Best Breadboard Simulator: 7 Best Circuit Simulation Software 2026](https://www.fscircuits.com/breadboard-simulator/): You can save time and money when working on electronic projects by testing your designs without physically assembling components. Breadboard simulators can help with that. Before constructing circuits, you can use these tools to design, test, and make adjustments digitally. A breadboard circuit simulator can improve the accuracy and efficiency of your process, regardless of your level of engineering experience. Everything you need to know about the top seven circuit simulation programs for 2026 is right here.
- [2026′ s Best USA PCB Manufacturers List](https://www.fscircuits.com/usa-pcb-manufacturers/): USA PCB manufacturers adhere to IPC, ISO 9001:2015, AS9100D (aerospace and defense), MIL-PRF-31032, ITAR registration, and RoHS compliance. This quality assurance improves with clearer communication, easier auditing, and real-time traceability. Many U.S. facilities maintain first-pass yields above 97%.
- [Guide to PCB Busbar 2026 and Design it on PCB](https://www.fscircuits.com/pcb-busbar/): When designing a PCB busbar, you create a powerful, low-resistance connection to distribute high currents across your board. Busbars are especially useful when dealing with power-hungry devices, and by designing them onto your PCB, you improve both efficiency and reliability.
- [Military Grade PCBA: A Deep Dive and Design Tips](https://www.fscircuits.com/military-grade-pcba/): These military grade PCBs are integral to weapon-control electronics, missiles and rockets, and electronic warfare equipment, where reliability under extreme conditions is vital.
- [Amplifier PCBs: Comprehensive Guide and Design Tips 2026](https://www.fscircuits.com/amplifier-pcb/): Amplifier PCBs are designed for different signals, power levels, and applications. Below are the main types of amplifier circuit boards based on their function and design:
- [China PCB Manufacturer List: Top 15 PCB Suppliers in China](https://www.fscircuits.com/china-pcb-manufacturer-list/): China is the world’s largest producer of PCB and PCBA, offering efficient, high-quality, and technology-based solutions to industries. The following China PCB manufacturer list provides tailored circuit solutions promising innovation, reliability, and scalability for electronic product development. They provide same-day-turn prototypes, high-density PCB, or full assembly service, based on your requirements.All of them have cutting-edge technology, quality control, and quick production cycles. Their global presence, accreditations, and leading-edge capabilities make them prime China PCB suppliers for leading technology players worldwide.
- [Rigid PCBs: All Things You Want to Know](https://www.fscircuits.com/rigid-pcb/): A rigid PCB is a type of PCB manufactured with a non-flexible substrate like FR-4, making it non-bendable during use. Consisting of one or more copper circuitry laminated onto the rigid base, a rigid circuit board provides strong mechanical support, electrical interconnection, and thermal stability for electronics.Compared to flexible and rigid-flex PCBs, these rigid PCBs maintain a fixed shape, making them reliable and cost-effective for various applications like consumer electronics and more.
- [What are Marine PCBs and How to Design Effectively?](https://www.fscircuits.com/marine-pcb/): More than 90% of international trade is dispatched by sea; an electronics system failure in the middle of the ocean can have dire outcomes. Under extreme conditions such as salt spray, hot and cold temperatures, and constant vibration, a marine PCB must operate without error to ensure vessel safety and effectiveness.With increasingly sophisticated navigation, communication, and monitoring hardware being used on modern ships, demand for specialist marine control PCBs continues to grow.
- [Precision and Turnkey Small Volume PCB Assembly in China](https://www.fscircuits.com/small-volume-pcb-assembly/): In a new electronic PCB design, we may not be sure if there are any defects, so we need to assemble a few pieces first for evaluation or testing. This is a small volume PCB assembly and production.This post will guide you through all about this small-batch PCBA, including how it varies from the high-volume PCB assembly, the difference between PCB prototyping and small-batch PCB production, the benefits, and applications for this PCBA.You will also learn more about the detailed design guidelines for this PCBA process, and why to partner with a China low volume PCB manufacturer like FS Circuits.
- [How Does PCB Miniaturization Transform Modern Electronics?](https://www.fscircuits.com/pcb-miniaturization/): PCB miniaturization in electronics means reducing PCB size to either maintain or enhance functionality and performance. Engineering for miniaturization involves reducing PCB component size, decreasing pitch elements, creating multi-layers, and utilizing sophisticated materials.During miniaturized PCB manufacturing and assembly, fabricators utilize processes like fine-pitch PCBA, micro-vias, and HDI tech. This process converts electronics into efficient, chunky-looking, but light schemes that accommodate advanced devices despite thermal challenges and signal loss.https://youtu.be/rUH1VqrZv40?si=amqOP83t9OqXYLyv

## Pages
- [High-Quality & Turnkey PCB Assembly Service | FS Circuits](https://www.fscircuits.com/pcb-assembly/): Fast PCB Prototyping & Global Component Sourcing & In-House Manufacturing & Automated PCB Assembly for Faster Lead Times and Lower PCBA Costs
- [Custom PCB: Complete Guide to Design, Cost & Manufacturing](https://www.fscircuits.com/custom-pcb/): At FS Circuit, we specialized in designing and delivering the custom PCB solution based on the unique need of your customers, our Custom PCB Services include:
- [Why Choose FS for Your PCB Assembly & Manufacturing Needs](https://www.fscircuits.com/why-choose-us/): With over 18 years of PCBA and PCB manufacturing experience, FS Circuits is a leader in offering excellent circuit board assembly solutions to businesses. Our full-cycle quality control and management practices are implemented during every process step, from the purchase of raw materials to shipping.
- [Customer reviews](https://www.fscircuits.com/customer-review/): Why Clients Choose Our
- [FS Circuits PCB Quality Control Process](https://www.fscircuits.com/pcb-quality-control/): As HDI boards with high frequency, high-speed boards, and rigid-flex boards that are specialized PCBs appear, the electronic products are increasingly lighter, thinner, more compact, and multifunctional. Thus, the manufacturing processes of PCBs nowadays are more advanced and complicated, and the traditional quality control can no longer meet the rigorous demands of the contemporary PCB industry chain.
- [NDA Agreement](https://www.fscircuits.com/nda-agreement/): Sure, FS Circuits respects the intellectual property rights of all companies and individuals, so we will keep our customers' information strictly confidential. If you have any needs, please send your NDA file before sending the production materials, and we will sign it. For more requirements, please feel free to contact us: info@fscircuits.com.
- [Certificates](https://www.fscircuits.com/certificates/): As a trusted and high-quality supplier for PCB manufacturing and assembly, Compliance with industry standards and quality control are the driving force behind our company.
- [Our Team](https://www.fscircuits.com/our-team/): FS Tech participates in various overseas electronics exhibitions every year. Our team serves every customer with enthusiasm.
- [Capabilities](https://www.fscircuits.com/capabilities/): At FS Circuits, we're equipped to handle your most demanding PCB manufacturing and assembly needs with precision and efficiency. Our own PCB assembly factory is located at Shenzhen, China, there are 8 SMT lines and 2 through hole lines, we welcome your visit to our factory.
- [Privacy Policy](https://www.fscircuits.com/privacy-policy/): Last updated: April 09, 2025
- [Terms and Conditions](https://www.fscircuits.com/terms-and-conditions/): Last updated: March 18, 2025
- [About Us](https://www.fscircuits.com/about-us/): Founded in 2004, FS Circuits has grown into a leading printed circuit board assembly and manufacturing company with over 20 years of industry experience and is headquartered in Shenzhen, China. FS Circuits is a high-precision, complex circuit board manufacturing and assembly manufacturer. FS Circuits has grown together with many outstanding start-up companies in its early days. We have maintained long-term cooperative relationships with our customers, and some customers have even cooperated with FS Circuits for more than 10 years. With approximately 300 staff in our PCB factory and 200 in our PCBA facility, we have the capability and expertise to handle projects of any size and complexity.
- [Service Process](https://www.fscircuits.com/service-process/): 1. Prepare Gerber & Bom
- [Blog Archive](https://www.fscircuits.com/blog/): Search
- [Component Procurement Services](https://www.fscircuits.com/components-procurement/): In today’s market, some specific electronic components are hard to find in large amounts. With rising demand, component procurement gets tough to manage alone. The circuit board parts price is also changing in real time.A reliable supply chain guarantees availability of authentic PCB components, preserves design integrity through dissemination of true technical information and models, and affects end device performance, safety, and market success by avoiding occurrences such as counterfeit parts, manufacturing delays, and field returns.
- [Contact Us](https://www.fscircuits.com/contact-us/): FS Circuits is headquartered in Shenzhen, China. Welcome to visit our factory. If you have any questions about your PCB or PCBA project, please feel free to contact us. We will provide reasonable quotes and considerate services. We will sign an NDA agreement to strictly protect the privacy of our customers. Please contact us now!
- [PCB Design](https://www.fscircuits.com/pcb-design/): At FS Circuit, we pride ourselves on our extensive experience and commitment to delivering top-notch PCB designs that meet the highest industry standards. Whether you need a simple two-layer board or a complex, multilayer design, our team has the expertise to bring your project to life. We believe in open communication and collaboration, ensuring that your ideas are fully integrated into the final design. Plus, with our competitive pricing and reliable turnaround times, you can trust us to get the job done right, on time, and within budget.
- [Home](https://www.fscircuits.com/): FS Circuits specializes in producing high-quality PCBs at a lower PCB manufacturing cost. We support 1-58 multi-layer, standard, and high-frequency materials for PCB manufacturing from quick PCB prototype to high-volume production, and ensure that every board we make meets your criteria.