The PCB board assembly we produced includes rapid turning prototype PCB assembly, SMT/SMD assembly, through-hole assembly, turnkey assembly, consignment assembly, etc. They are widely used in industrial control, medical care, automotive electronics, communications, and the Internet. SMT, post welding, assembly to testing one-stop service, seamless connection from prototype to mass production, quality assurance in the whole process, and support for flexible supply.

1. Most of Tongzhan's employees have more than 4 years of experience in PCB design, Fabrication, assembly, and parts sourcing. We deal with more than 2,000 cases per year.
2. Tongzhan fully realizes the market pressure of our clients. We work based on customers’ time. Because we’re capable of handling everything in one streamlined process all under one roof, you get the benefit of working with one company and one timeline.