Best PCBA Manufacturers in China 2025

China remains a major global base for PCB fabrication, PCBA manufacturing and electronic product research and development. Whether you are an OEM brand manufacturer, a startup team, or a hardware developer, only by finding a reliable PCBA manufacturer and PCBA supplier can you ensure stable product quality, reliable delivery time, and controllable costs.

This article will take you through several outstanding PCBA manufacturers in 2025. They are highly competent  in PCB assembly, OEM PCBA contract manufacturing, prototyping and mass production. The common features of these manufacturers are: advanced technology, a high degree of automation, multiple international certifications passed, and global supply capacity.

PCBasic – A Digital & Intelligent PCBA Manufacturer

PCBasic is a high-tech PCBA manufacturer and supplier, specializing in one-stop PCB assembly, PCBA prototyping, and small-batch and high-volume electronic production. As a professional PCBA manufacturer, PCBasic integrates PCB manufacturing, PCB assembly, component sourcing, SMT placement, THT soldering, testing, and box-build assembly all in one factory.

Why PCBasic is a Leading PCBA Manufacturer and PCBA Supplier

•  One-stop service: PCB manufacturing + PCB assembly + component sourcing + functional testing + logistics.

•  Industries served: Smart home, industrial control, medical electronics, automotive electronics, IoT, instrumentation, aviation, and communication power.

•  Smart factory systems: Self-developed CRM, MES, ERP, and IoT systems make PCBasic a digital PCBA manufacturer with full traceability.

•  Certifications: ISO9001, ISO13485, IATF 16949, ISO45001, ISO14001, RoHS, CE, FCC—ensuring PCBasic is a globally trusted PCBA supplier.

Advanced PCB Assembly Equipment at PCBasic

As a modern PCBA manufacturer and PCB assembly specialist, PCBasic uses highly automated production lines:

•  Fully Automatic Solder Paste Printer

•  SPI (Solder Paste Inspection)

•  Nitrogen Reflow Oven

•  Inline AOI (automated PCB assembly inspection)

•  Selective Wave Soldering Machine

•  3D X-Ray Inspection for BGA and QFN PCBA

•  Flying Probe Tester

•  Deionized Water Cleaning Machine

With over 15 years of experience in the PCBA industry, PCBasic can provide rapid PCBA prototyping, small-batch PCBA production, and large-scale PCBA manufacturing, making it a trusted PCBA supplier for global customers.

DSBJ – Global PCB Assembly and PCBA Manufacturer

DSBJ is one of the largest PCBA manufacturers in China and also a leading supplier of PCB assembly and electronic components.

•  Known for high-density PCB assembly, flexible PCBs, HDI boards, and OEM PCBA solutions.

•  Serves industries like automotive electronics, 5G communication, and industrial automation.

•  Certified PCBA supplier with ISO9001, ISO13485, and IATF16949.

With highly automated production lines, DSBJ has become a trusted PCBA manufacturer for many international brands, especially suitable for customers with high requirements for precision PCB assembly and mass production.

Shengyi Electronics – Materials and PCBA Supplier

Shengyi Electronics is renowned for manufacturing copper-clad laminates (CCL), but it is also a professional PCBA supplier and has established long-term cooperative relationships with several large PCB assembly factories.

•  Supplies FR4 materials, high-frequency laminates, and supports OEM PCBA manufacturing.

•  Works closely with PCBA manufacturers for aerospace, automotive, and high-speed PCB applications.

•  Ensures high reliability in PCB assembly and PCBA performance.

With its strong material research and development capabilities and in-depth cooperation in the PCBA industry, Shengyi Electronics is not only a provider of basic materials but also an important force promoting the upgrading of the entire PCBA supply chain.

Avary Holding – Mass Production PCBA Manufacturer

Avary Holding is a globally renowned PCBA manufacturer and also one of the largest PCB manufacturing enterprises in the world in terms of output at present. Whether it is PCB production or complete PCB assembly and PCBA services, Avary has very strong capabilities.

•  Specialized in multilayer PCB, rigid-flex PCB, HDI PCB, and turnkey PCBA assembly.

•  Provides OEM PCBA services for Apple, Huawei, Dell, and global electronics brands.

•  High-speed SMT lines and robotic PCB assembly make Avary a preferred PCBA supplier.

With its large-scale production capacity, strict quality control and mature supply chain management, Avary maintains a leading position in the global PCBA industry.

Kaifa – Precision PCB Assembly and PCBA Supplier

Kaifa (Shenzhen Kaifa Technology) is a world-class PCBA manufacturer, with many years of experience and a mature global layout in the fields of PCB assembly and electronics manufacturing services (EMS). With its technological strength, quality management and automated production, Kaifa enjoys a good reputation among domestic and foreign customers.

•  Major PCBA supplier for smart meters, industrial electronics, medical PCBA, and automotive PCB assembly.

•  Certified with ISO9001, IATF16949, and ISO13485, ensuring high-quality PCBA.

•  Known for automated SMT, functional testing, and EMS capabilities.

As an experienced PCBA manufacturer, Kaifa not only undertakes large-scale production but also supports the manufacturing demands of small-batch and multi-variety PCBA. It is a high-quality PCBA supplier with long-term cooperation for many international brands.

Why These Companies Lead the PCBA Industry in 2025

Conclusion

Choosing the right PCBA manufacturer or supplier is crucial for any enterprise that requires high-quality PCB assembly and stable PCBA production. In China's PCBA industry by 2025, the 5 companies mentioned above are all powerful and reliable PCBA manufacturers.

Among these enterprises, PCBasic is more worthy of being highly recommended. It not only has a complete one-stop manufacturing service of PCB + PCBA, but also adopts MES, ERP, CRM and IoT systems, truly achieving digital, traceable and intelligent production. Whether you need PCBA prototyping, OEM PCBA, or medium to large-scale production, PCBasic can ensure fast delivery, stable quality, and prompt response. It is a very reliable PCBA supplier.

If you are looking for a reliable PCBA manufacturer that has passed international certifications and can cooperate with you for a long time, then PCBasic is one of the best choices. Meanwhile, the other enterprises mentioned in the blog also represent the high level of PCBA manufacturing in China.