Top 4 PCB assembly Manufacturers & Suppliers in China (2026)

Ranked by listed products, buyer interest and verification status — updated automatically from our directory of 4+ pcb assembly factories. Compare certifications and MOQs, then send RFQs directly. No middlemen.

1. 1

   Sanmina Corporation

   ★ Featured

   📍 San Jose, California, China

   PCB assemblySystems integrationCable assemblies

   ISO 9001

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2. 2

   MacroFab, Inc.

   📍 Houston, Texas, China

   PCB assemblyOn-demand electronics manufacturing

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3. 3

   Plexus Corp.

   📍 Neenah, Wisconsin, China

   Electronics manufacturing servicesPCB assemblyBox builds

   ISO 9001

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4. 4

   Sonic Manufacturing Technology

   📍 Santa Clara, California, China

   PCB assemblyBox buildsPrototyping

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