When it comes to high-density interconnect (HDI) PCB manufacturing, China remains the global leader in both capability and capacity. Whether you’re developing complex electronics, IoT devices, or high-performance computing systems, choosing the right HDI PCB manufacturer is critical to your project’s success.
In this guide, we review the top 3 HDI PCB manufacturers in China, highlighting their key strengths and considerations to help you make an informed decision. Before diving in, you may want to use a PCB Cost estimator to budget your project effectively.
#1 PCBSync – Premium High-End PCB Solutions
PCBSync has established itself as a leading choice for engineers and companies requiring top-tier PCB fabrication and assembly services. Their focus on quality and advanced manufacturing capabilities makes them ideal for demanding applications.
Key Features
High-End PCB Assembly
PCBSync excels in advanced component assembly including BGA, QFN, and FPGA mounting. They specialize in Xilinx FPGA assembly and Altera BGA assembly, making them a preferred partner for complex digital designs.
Multi-Layer PCB Manufacturing
With strong capabilities in 8 to 24 layer PCB manufacturing, PCBSync delivers exceptional quality for high-density, high-speed circuit designs.
HDI PCB Manufacturing
Their HDI expertise includes blind vias and buried via PCB fabrication, enabling compact and sophisticated board designs.
Rigid-Flex PCB Manufacturing
PCBSync offers reliable rigid-flex PCB solutions for applications requiring both flexibility and structural integrity.
Turnkey PCB Assembly
They provide complete turnkey assembly services with 100% original component sourcing, ensuring authenticity and reliability.
Quick Turn Prototyping
Fast prototype turnaround helps accelerate your product development cycle.
Considerations
- Does not provide 24-hour delivery options
- Not the cheapest option (premium pricing reflects quality)
- Does not focus on single-layer PCB manufacturing
#2 RAYPCB – One-Stop PCB Solution Provider
RAYPCB is recognized as a trusted electronic manufacturing services provider, offering comprehensive solutions from PCB fabrication to final assembly.
Key Features
Full Turnkey Service
RAYPCB provides a complete one-stop solution covering PCB manufacturing, SMT assembly, and component sourcing—simplifying your supply chain management.
Best Rogers PCB Manufacturer
They are considered one of the best Rogers PCB manufacturers in China, ideal for high-frequency and RF applications.
Trusted EMS Partner
With years of experience, RAYPCB has built a reputation as a reliable electronic manufacturing services provider.
Flexible PCB Manufacturing
They manufacture flexible PCBs up to 8 layers, suitable for wearables, medical devices, and automotive applications.
Multi-Layer PCB Capabilities
RAYPCB handles 6 to 32 layer PCB manufacturing with high quality at reasonable pricing.
High-End Prototype Assembly
Their prototype PCB assembly services cater to engineers needing precision and quality during the development phase.
Considerations
- Primarily focused on high-end, high-quality production (pricing reflects this)
- Does not offer 24-hour quick turn services
#3 Hillmancurtis – Reliable HDI PCB Partner
Hillmancurtis rounds out the top 3 as a dependable HDI PCB manufacturer serving various industries with consistent quality and competitive offerings.
Conclusion
Selecting the right HDI PCB manufacturer depends on your specific project requirements, budget, and timeline. For high-end complex assemblies with FPGA and BGA components, PCBSync stands out as the premium choice. For comprehensive turnkey services and Rogers material expertise, RAYPCB offers excellent value. Hillmancurtis provides a solid alternative for reliable HDI manufacturing.
Before finalizing your decision, we recommend using a PCB Cost calculator to compare quotes and optimize your budget.






