PCB Assembly Services
Advanced PCB assembly and electronic manufacturing services for prototypes, pilot runs and production projects.
SMT โข Through-Hole โข BGA โข Component Sourcing โข Testing
Get Your PCB Quote
Submit your Gerber files in 30 seconds.
Why Choose Kejie for PCB Assembly?
From prototype assemblies to volume production, Kejie provides flexible PCB assembly solutions supported by engineering review, component sourcing, and quality control.
Turnkey Assembly
Kejie manages PCB fabrication, component sourcing, assembly, testing and shipment.
Prototype to Production
From first prototypes and pilot runs to full-scale production, with no minimum or maximum order requirements.
SMT, THT & BGA
Support for surface mount, through-hole and BGA assemblies, including mixed-technology PCB designs.
Component Sourcing
Original components sourced through approved suppliers, helping reduce procurement time and simplify project management.
PCB Assembly Capabilities
Advanced PCB assembly capabilities for prototypes, pilot runs and production projects across a wide range of industries.
SMT Assembly
Surface-mount assembly for fine-pitch components, QFN, BGA and high-density PCB designs.
Through-Hole Assembly
Manual and selective soldering for through-hole components, connectors and mixed-technology assemblies.
Mixed Technology
SMT and through-hole assembly combined on the same PCB for complex electronic products.
PCB Stencils
Laser-cut SMT stencils supplied for prototypes, pilot runs and volume PCB assembly projects.
PCB Assembly Service Options
Choose the assembly model that best fits your project requirements, supply chain strategy and production goals.
Turnkey Assembly
Kejie manages PCB fabrication, component sourcing, assembly, testing and shipment from start to finish.
Best for customers seeking a single-source PCB assembly solution.
Partial Turnkey
Customers provide selected components, while Kejie sources the remaining parts and manages assembly.
Best when customers want control over critical components but still need sourcing and assembly support.
Consigned Assembly
Customers supply all components, while Kejie performs PCB assembly, inspection, testing and shipment.
Best for customers with established supply chains who only require professional assembly services.
What Files Are Required?
Providing complete project documentation helps ensure accurate quotations, faster production and a smoother PCB assembly process.
Gerber Files
PCB manufacturing data used to produce the bare circuit board.
BOM
Bill of Materials listing all components, quantities and manufacturer part numbers.
Pick & Place
Component placement coordinates used by SMT assembly equipment.
Assembly Drawings
Reference drawings showing component orientation, special instructions and assembly requirements.
Testing Requirements
Optional testing procedures, fixtures or functional requirements for completed PCB assemblies.
PCB Assembly Process
Every PCB assembly project follows a structured process designed to ensure quality, accuracy and on-time delivery.
1. Engineering Review
Project files are reviewed to verify manufacturability, assembly requirements and potential issues before production.
2. Component Sourcing
Components are sourced from approved suppliers or received from the customer for consigned assembly projects.
3. PCB Assembly
SMT, through-hole and mixed-technology assembly are performed according to approved production documentation.
4. Inspection & Testing
AOI, visual inspection, electrical testing and customer-specific verification are performed as required.
5. Shipment
Completed PCB assemblies are packaged, inspected and shipped worldwide using customer-preferred logistics providers.
Industries We Support
PCB assembly solutions for a wide range of industries, from prototypes to production programs.
Medical Devices
Diagnostic equipment, monitoring systems and medical electronics.
Industrial Automation
Control systems, sensors, PLCs and industrial electronics.
Telecommunications
Network infrastructure, wireless communication and RF applications.
Automotive Electronics
EV systems, control modules, monitoring systems and vehicle electronics.
IoT Devices
Connected products, smart sensors and embedded electronics.
Consumer Electronics
Commercial electronic products, appliances and smart devices.
PCB Assembly FAQ
Answers to common questions about PCB assembly, component sourcing, testing and production requirements.
Can Kejie provide full turnkey PCB assembly?
Yes. Kejie can manage PCB fabrication, component sourcing, assembly, testing and shipment for complete turnkey PCB assembly projects.
Can customers supply their own components?
Yes. Kejie supports consigned and partial turnkey assembly projects where customers provide some or all required components.
What is the minimum PCB assembly order quantity?
Kejie supports prototype assemblies, pilot runs and volume production. There is no fixed minimum order quantity.
Can Kejie assemble BGA and fine-pitch components?
Yes. Kejie supports BGA, QFN, fine-pitch SMT components and other high-density PCB assembly requirements.
Can Kejie perform testing on assembled PCBs?
Yes. AOI, visual inspection, electrical testing and customer-specific verification procedures can be performed based on project requirements.
Can Kejie support prototype and low-volume PCB assembly?
Yes. Kejie supports prototype, pilot-run and low-volume PCB assembly projects, as well as ongoing production requirements.
Need Help With Your PCB Assembly Project?
Not sure which assembly option is right for your project? Contact our engineering team for assistance.
Related: Rigid PCB โข Flexible PCB โข Rigid-Flex PCB โข HDI PCB โข PCB Assembly โข PCB Testing