PCB Manufacturing
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Reduce design risk with engineer-reviewed files, free DFM review, and flexible payment terms — trusted by teams in 100+ countries

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✓ Design Confidentiality
✓ Flexible Payment Terms
✓ PCB Stencils

Trusted by engineers and OEMs in 100+ countries.

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Your Design. Our Engineers. 24 Hours.

Kejie Engineering Portal

What do you need today?

Select the service that best matches your project.

PCB Manufacturing

Manufacture a new PCB from your existing design files.

Engineering Services

Recover, reproduce, or reverse engineer an existing PCB.

Additional Services

Request a quote for production support services related to PCB manufacturing or assembly.

Submitting your files only takes 30 seconds
✓ Files Manually Reviewed by PCB Engineers

Project details

Answer only what applies to your selected service. You can leave technical details blank if they are already inside your files.

Rigid PCB Details

Rigid PCB quotation workflow Start by choosing the fastest way for our engineers to review your project.
How would you like to request your quotation? Our engineers can quote from your manufacturing files or from the PCB specifications you enter below.
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Project InformationFor complete manufacturing files, this is all we need before upload.
Engineering Information: Low Please provide the minimum PCB specifications required for an accurate quotation.
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ProjectIdentify the project and requested quantity.
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PCB ConstructionCore manufacturing specifications for the board.
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SurfaceFinish, solder mask and silkscreen preferences.
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Special RequirementsSelect any features that apply. Leave blank if none or already specified in your files.
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Additional NotesOptional instructions for our engineering team.

HDI PCB Details

HDI PCB engineering workflow Choose whether to upload complete manufacturing files or enter the high-density interconnect details manually.
How would you like to request your HDI quotation? HDI projects are quoted fastest when Gerbers, drill files, stack-up, via structure and impedance information are available.
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Project InformationFor complete HDI files, this is all we need before upload.
Engineering Information: LowPlease provide the minimum HDI specifications required for an accurate quotation.
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ProjectIdentify the project and requested quantity.
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Base ConstructionCore PCB construction details.
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HDI Build-UpSequential lamination and microvia structure.
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Via TechnologyAdvanced via features that affect manufacturability and price.
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Fine Features & ImpedanceLine width, spacing and controlled impedance requirements.
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Engineering NotesOptional instructions for our HDI engineering team.

High Frequency PCB Details

High Frequency PCB engineering workflow Choose whether to upload complete RF manufacturing files or enter the RF and microwave PCB details manually.
How would you like to request your high-frequency quotation? RF projects are quoted fastest when stack-up, material, impedance and operating frequency information are available.
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Project InformationFor complete RF files, this is all we need before upload.
Engineering Information: LowPlease provide the minimum high-frequency PCB specifications required for an accurate quotation.
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ProjectIdentify the project and requested quantity.
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RF MaterialHigh-frequency substrate and dielectric requirements.
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Board ConstructionCore manufacturing details for the RF board.
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RF PerformanceOperating frequency and impedance requirements.
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Special RF RequirementsSelect any RF-specific manufacturing requirements that apply.
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Engineering NotesOptional instructions for our high-frequency PCB engineering team.

Flexible PCB Details

Flexible PCB quotation workflow Choose the fastest way for our engineers to review your flex project.
How would you like to request your quotation? Our engineers can quote from your manufacturing files or from the flexible PCB specifications you enter below.
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Project InformationFor complete manufacturing files, this is all we need before upload.
Engineering Information: LowPlease provide the minimum flexible PCB specifications required for an accurate quotation.
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ProjectIdentify the project and requested quantity.
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Flexible PCB TypeTell us what kind of flex construction you need.
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Flexible ConstructionCore construction details for the flexible circuit.
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Rigid SectionRigid area construction details.
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Flex SectionFlexible area construction details.
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Transition AreaTell us about the rigid-to-flex transition.
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Coverlay & ProtectionProtection method for flexible circuitry.
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StiffenersSpecify stiffener material if required for assembly or support.
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Flex BehaviourHow the circuit will bend or flex during use.
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Special Manufacturing RequirementsSelect any flex-specific features that apply.
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Additional NotesOptional instructions for our engineering team.

Rigid-Flex PCB Details

Rigid-Flex engineering workflow Choose whether to upload complete manufacturing files or enter the rigid-flex construction details manually.
Do you already have complete manufacturing files? For rigid-flex projects, Gerbers plus stack-up and bend/transition drawings are the fastest path for engineering review.
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Project InformationFor complete rigid-flex files, this is all we need before upload.
Engineering Information: LowPlease provide the minimum rigid-flex specifications required for an accurate quotation.
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ProjectIdentify the project and requested quantity.
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Rigid ConstructionRigid area construction details.
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Flex ConstructionFlexible area construction details.
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Flex TransitionRigid-to-flex transition and bend behavior.
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StiffenersOptional support material for connector or assembly areas.
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Special Manufacturing RequirementsSelect any rigid-flex features that apply.
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Engineering NotesOptional instructions for our rigid-flex engineering team.

PCB Assembly Details

PCB Assembly engineering workflow Choose whether to upload complete assembly files or enter the assembly requirements manually.
How would you like to request your assembly quotation? Assembly is quoted fastest when BOM, Pick & Place, Gerbers, drawings and test requirements are available.
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Project InformationFor complete assembly files, this is all we need before upload.
Engineering Information: LowPlease provide the minimum assembly specifications required for an accurate quotation.
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ProjectIdentify the project and requested assembled quantity.
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Assembly FilesTell us what assembly data is available.
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Assembly ScopeCore assembly type and side requirements.
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Supply ModelWho supplies components and bare PCBs.
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Testing & Post-AssemblyProgramming, test and coating requirements.
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Assembly NotesOptional instructions for our PCBA engineering team.

Tell us what you are trying to build

Engineering Services Intake

Engineering review intake This shared intake helps our engineers understand recovery, reverse engineering, cloning, or obsolete PCB reproduction requests before assigning the right review path.
Engineering Information: LowPlease provide the minimum information needed for an engineering review.
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ProjectIdentify the board and expected quantity.
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Engineering GoalTell us what result you need from the existing PCB.
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Photos & Reference DataPhotos and reference files are optional here but strongly recommended in the upload step.
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Engineering NotesDescribe the board, problem, desired output, or any constraints.

PCB Stencil Details

PCB stencil intake Collect the basic stencil information needed for SMT stencil quotation.
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ProjectIdentify the stencil request and quantity.
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Stencil SpecificationStencil type, thickness and size information.
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Stencil OptionsOptional stencil requirements.

Component Sourcing Details

Component sourcing intake Collect BOM and sourcing requirements so our team can review availability and procurement options.
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ProjectIdentify the sourcing request and build quantity.
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BOM & Sourcing ScopeTell us what sourcing support is needed.
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Procurement RequirementsOptional sourcing and documentation preferences.
Not sure about all specs? Just enter the quantity and upload your files — our engineers will fill in the gaps.

Upload your files

Gerber ZIP is recommended. You may upload multiple files such as BOM, Pick & Place, drawings, or PDFs.

🔒 Your design files remain confidential and are never shared.

Contact details

Where should our engineering team send the quotation?

Step 2 of 4Continue when ready

Our PCB Range

Rigid PCB

Rigid PCB

2-48 layer rigid PCB manufacturing with fast prototypes, volume production and full engineering support.

Rigid-Flex PCB

Rigid-Flex PCB

Multilayer rigid-flex PCB manufacturing with blind vias, controlled impedance and polyimide materials.

Flexible PCB Flex PCB

Flexible PCB

Single and multilayer flexible circuits with polyimide materials and fine-pitch interconnections.

HDI PCB

HDI PCB

Advanced HDI PCB manufacturing with microvias, fine-pitch technology and high layer counts for compact, high-performance electronics.

PCB assembly

PCB Assembly

Turnkey and consigned assembly with SMT, BGA, testing and inspection.

High Frequency PCB

High Frequency PCB

Rogers & TMM laminates • Up to 40 GHz

Why Engineers Choose Kejie

Four reasons engineers trust Kejie over automated platforms


Free DFM Review

Every project reviewed for manufacturability before production starts


Direct Engineer Access

Engineering support from quote to production


Any Production Volume

From prototypes to mass production


Design Confidentiality

Gerber files remain private and are permanently deleted after two years of inactivity

The Numbers Behind the Work

Manufacturing capability and performance, by the numbers

Manufacturing Experience

25+ Years

Maximum Layer Count

48

Minimum Trace/Space

0.05 mm

On-Time Delivery Rate

99%

Quote Turnaround

24 Hours

SQM Monthly Capacity

25,000

PCB Recovery & Reverse Engineering Services

Discontinued product? Lost Gerber files? Obsolete board that still needs to run? Kejie’s reverse engineering team recovers manufacturing data, recreates schematics and gets your production back on track — without starting from scratch

Kejie Pcb Assembly service

Reverse Engineering

Recover complete manufacturing data from a physical board — ready for immediate production.

Kejie Pcb Cloning Service

PCB Cloning

Reproduce an existing board exactly, or use it as the starting point for a redesign.

Kejie Component Sourcing service

Obsolete PCB Recreation

Keep legacy equipment running by recreating boards that are no longer commercially available.

flexible pcb Testing Methofs

Schematic Recovery

Recover full schematic documentation from a physical board — even with no original design files.

Tell Us About Your Board

Recent PCB Projects

Examples of PCB manufacturing, assembly and reverse engineering projects completed by Kejie PCB.

  • Reverse Engineered Legacy PCB

    Reverse Engineered Legacy PCB

    Legacy PCB reverse engineered from an existing board to restore manufacturing data and support ongoing production of an obsolete product.

  • Rigid-Flex Medical Device PCB

    Rigid-Flex Medical Device PCB

    Rigid-flex PCB manufactured for a medical device requiring compact design, flexible interconnections, and reliable performance in critical applications.

  • 36-Layer Industrial Control PCB — Project Case Study

    36-Layer Industrial Control PCB — Project Case Study

    Kejie PCB is a 36 layer PCB manufacturer with proven capability for high-layer-count industrial applications — this case study covers a PLC controller board produced for an industrial automation client in Argentina. Project Overview box Application PLC Controller — Industrial Automation Layer Count 36 layers Material Isola High-Performance Laminate Surface Finish ENIG (Electroless Nickel Immersion…

Why Global Customers Stay With Kejie

We are more than a PCB manufacturer, we support our customers with engineering expertise, manufacturing flexibility, financial solutions, and long-term partnership programs.

Engineering Support


Direct access to our engineering team — most questions answered within one business day.

Payment Terms


Credit cards, PayPal, cryptocurrency and extended payment terms available for qualified customers.

International Banking


Hong Kong and China banking channels provide secure international transactions and greater currency flexibility.

Extended Manufacturing Network


Access to sister companies and manufacturing partners for specialized technologies.

PCB Stencils


Laser-cut SMT stencils available with prototype and production PCB orders.

100% Tested Boards


AOI, flying probe and electrical testing help ensure reliable performance and product quality.

Latest PCB Industry Insights

PCB manufacturing trends, engineering insights and industry developments.

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