Exploring the Capabilities of High-Frequency PCBs

From Rapid PCB Prototyping to High-Volume Production and Full Assembly Services

Leading Rigid-Flex PCB manufacturer trusted by global OEMs for precision, speed, and competitive pricing

We specialize in multi-layer robust printed circuit boards (up to 32 layers), high-frequency circuit boards, flexible and hybrid rigid-flex circuit boards, assembly services.

Fast turnaround with very stable pricing

Low-volume PCB manufacturing for startups

Fully optimized production lines reaching ~15,000–25,000 sqm/month of output.

    Request Your PCB Quote in less than 30 Seconds!

    Send us your Gerber data files

    We accept major Gerber files (preferably Extended Gerber or RS-274X). Please compress/zip the files before attaching, ensuring a size smaller than 15 megabytes.

    Our PCB solutions

    A wide range of PCB types

    • Single-sided and double-sided PCBs
    • Multilayer PCBs (up to 40 layers)
    • Rigid, flexible, and rigid-flex boards
    • Aluminum-based and HDI PCBs
    • Pcb Prototype & quick-turn services

    Design for Manufacturability

    Clear DFM (Design for Manufacturability) guidelines

    • Minimum trace width/spacing: 4/4 mil
    • Minimum hole diameter: 0.20 mm
    • Maximum PCB size: 600 x 600 mm
    • Copper thickness: 1oz standard, up to 3oz available
    • Surface finishes: HASL, ENIG, OSP, Immersion Silver/Gold, Gold Fingers

    Need help with file preparation? Our engineering team is available 24/7 for pre-production support.

    Kejie Pcb Rigid PCB production

    Rigid PCB

    Single to Multi-layer PCB with base material
    FR4 Rogers Aluminum
    Finishes:  HASL (Hot Air Solder Leveling), ENIG (Electroless Nickel Immersion Gold), OSP (Organic Solderability Preservatives), and immersion tin or silver. RoHS compliant. Solutions for high-frequency Pcb.

    Kejie Pcb Rigid Flex PCB production

    Rigid Flex PCB

    Rigid-Flex Printed Circuit Boards (PCBs) combine the advantages of both rigid and flexible boards, offering added design flexibility. Flexible PCBs are employed to connect the rigid PCBs, reducing the necessity for connectors, subsequently minimizing losses and overall PCB weight. Rigid-Flex boards generally offer cost advantages compared to standalone flexible PCBs. RoHS compliant

    Kejie Pcb Flexible PCB production

    Flexible PCB

    Flexible Printed Circuit Boards (FPCBs) can be bent and shaped into different form factors while maintaining necessary functionality. Diverse substrates such as Polyamide (PI), PEEK (Polyether ether ketone), or transparent conductive polyester films are utilized in their manufacture. RoHS compliant

    These PCBs are well-suited for applications where space and weight are limited, although they typically incur higher costs compared to Rigid and Rigid-Flex PCBs.

    Kejie Pcb Metal Core PCB production

    Metal Core PCB

    A Metal Core Printed Circuit Board (MCPCB), also referred to as a thermal PCB or metal backed PCB, utilizes a metal base for its heat spreader section. Typically composed of thick aluminum or copper, this metal layer covers one side of the PCB. The metal core may be positioned centrally or on the rear of the board. The primary function of an MCPCB’s core is to dissipate heat from vital board components towards less critical regions like the metal heatsink backing or metallic core. These base metals in the MCPCB serve as substitutes for FR4 or CEM3 boards. RoHS compliant

    SMT SMD PCB Assembly and PCB Cloning service

    Kejie Pcb Assembly service

    SMT SMD PCB Assembly

    Dedicated lines to provide our customers with SMT SMD quick-turn PCB assembly services, as well as manual assembly for prototype purposes.
    The PCBa Assembly service is for rigid and flexible boards.
    No Project is Too Big Or Too Small.

    Kejie Pcb Cloning Service

    PCB Cloning and Copy Service

    We perform comprehensive reverse engineering on fully assembled Printed Circuit boards, generating all necessary data for duplication. Our expertise extends to reverse engineering boards containing programmed ICs, custom parts, and obsolete components.

    Kejie Component Sourcing service

    Component Sourcing

    Maintaining an efficient Component Sourcing department is vital for achieving rapid turnaround manufacturing. This involves sourcing all components during PCB production, ensuring control over the entire value chain. We procure hundreds of diverse parts daily to fulfill customer demand.

    flexible pcb Testing Methofs

    PCB Testing Methods

    • In-Circuit Testing (ICT)
    • Automated Optical Inspection (AOI)
    • Functional Testing
    • Solderability Testing
    • PCB Contamination Testing
    • Micro-Sectioning Analysis
    • Time-Domain Reflectometry (TDR)
    • Peel Testing
    • Solder Float Testing
    • Flying Probe Testing
    • Burn-In Testing

    These comprehensive testing methods ensure the quality, reliability, and performance of your manufactured PCBs.

    Precision PCBs. Delivered Fast. Trusted Worldwide.

    We’re proud to be a trusted manufacturing partner for engineers and companies across industries — from automotive and industrial controls to IoT and medical electronics.

    1. Medical Devices – Equipment like pacemakers and imaging systems.
    2. LED Lighting – For both consumer and industrial lighting solutions.
    3. Consumer Electronics – In devices such as smartphones and computers.
    4. Industrial Equipment – In machinery like assembly robots and motor controllers.
    5. Automotive – Used in engine management systems and electronic control units.
    6. Aerospace – For avionics and other mission-critical systems.
    7. Maritime Applications – Navigation and communication systems.
    8. Safety and Security Equipment – Fire alarms, security cameras.
    9. Telecommunications – Network equipment and signal processing.
    10. Military and Defense – In communication devices and electronic warfare.
    11. Energy – Solar power inverters, wind power systems.
    12. Manufacturing – Control systems for production lines.
    13. Robotics – Control circuits for industrial robots.
    14. Transportation – Ticketing systems, information displays.
    15. Agriculture – Monitoring and control systems for irrigation.
    16. Education – Training equipment and research instruments.
    17. Entertainment – Audio-visual equipment and electronic instruments.
    18. Banking and Finance – ATMs and card readers.
    19. Information Technology – Servers and data storage devices.
    20. Home Appliances – In smart home devices and major appliances.
    Flexible Printed Circuit Board

    Who we are

    Kejie PCB is a professional printed circuit board manufacturer based in Meizhou, China, founded in 1999. With over 800 skilled employees and multiple production lines across four advanced manufacturing facilities, we support our clients from PCB prototype to mass production in 100+ countries with precision-engineered PCBs.

    Our mission is simple: manufacture PCBs that perform, with service that delivers.

    Why Engineers Choose Kejie PCB

    At Kejie, we focus on your success. That means precision, reliability, and expert communication every step of the way.

    💬 Dedicated Support — Real engineers, not chatbots. You’ll always get clear communication and project transparency.

    ⚙️ Factory-Direct Manufacturing — We own and operate our facilities in Meizhou and Shenzhen, giving you full control, consistent quality, and competitive pricing.

    ⚡ Fast Turnaround Times — Standard lead time: 3–5 days. Express and same-day options available.

    🧠 Free DFM Engineering Review — Every Gerber file is reviewed by our engineers before production to ensure your design is manufacturable and error-free.

    🔍 100% Tested & Certified — AOI, flying-probe, and impedance testing ensure zero-defect boards.

    🌍 Worldwide Delivery — We ship daily to clients in Europe, the U.S., and Asia — on schedule, every time.

    Let us handle your PCBs — so you can focus on your innovation.

    Trusted Rigid-flex PCB manufacturer in China Why choose Kejie Pcb as your preferred partner for high-quality PCBs ,Why Choose Kejie PCB

    Kejie PCB in numbers

    25 +

    YEARS IN BUSINESS

    4

    PLANTS

    100 +

    COUNTRIES SERVED

    20 +

    INDUSTRIES SERVED

    4

    IN HOUSE SMT/SMD ASSEMBLY LINES

    25,000

    SQM MONTHLY PCB OUTPUT

    Trusted Rigid-flex PCB manufacturer in China Rigid Flex pcb China PCB manufacturer PCB Quotation PCB Assembly

    Our Process — From Idea to Delivery with 24/7 Engineering Support

    Simple, transparent, and built around your timeline.

    1. Upload Gerber & BOM
    2. DFM Review & Pcb Quotation (within 12 hours)
    3. Prototype or Mass Production
    4. Quality Testing & Packaging
    5. Worldwide Shipping
    Pcb Quality Kejie Pcb manufacturer

    Quality

    1. Quality Assurance: We ensure that all printed circuit boards meet the highest quality standards and specifications.
    2. Timely Worldwide Delivery: We consistently deliver products within agreed-upon timelines.
    3. Feedback Mechanism: We establish a system for collecting and acting upon customer feedback to continuously improve services.
    Kejie Pcb Competence

    Competence

    1. Communication: We maintain open and transparent communication with clients throughout the fabrication process.
    2. Customization: We offer tailored solutions to meet specific customer requirements.
    3. Reliability: We build a reputation for reliability and consistency in product performance.
    Kejie Pcb Support

    Support

    1. Technical Support: We provide comprehensive technical support before, during, and after product delivery.
    2. Affordable Pricing: We offer fair and cost-effective pricing for products and services. No hidden fees. Very simple and transparent cost structure.

    What clients and partners say about us

    “From Humble Beginnings: Our journey commenced in 2006 with rudimentary PCBs. Kejie Pcb Manufacturer, sent us a fast Pcb quote and since then they have been instrumental in our expansion. Presently, they fabricate our premier circuit boards, furnish us with the components, and have recently added cost-effective assembly services. We extend our profound gratitude for their exceptional dedication.”

    Augusto L. Dominican Republic

    “In 2006, during a visit to China, I had the opportunity to engage with the Kejie team. Since that initial encounter, we have consistently entrusted them with our monthly Printed Circuit Board (PCB) requirements. Our orders have been executed with complete precision, fostering a relationship of mutual benefit from the outset.”

    Jose G. Spain

    “Established Partnership: My collaboration with Kejie dates back to 2007. With meticulous planning, I schedule our PCB production quarterly, ensuring Kejie orchestrates our orders with seamless efficiency and punctuality.”

    Karol G. Slovakia

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