Automotive

We specialize in chemical etching automotive components for the world’s leading names including BYD Auto, XPENG, NIO, Great Wall Automotive.

As one of the IATF 16949 accredited photo etching suppliers, we have the scale, depth of resource and experience to meet the world-class levels of product quality, productivity, competitiveness and continuous improvement our customers demand.
Photo-etched automotive components
We manufacture the widest range of automotive components, in both development and production quantities measured by the million, including:

• High-end speaker grilles and interior trim for luxury and premium vehicle marques
• Bipolar fuel cell plates for next-generation vehicles
• A wide range of electronics and sundry components including shims, gaskets, washers, electrical connectors and contacts, and EMI shielding solutions

Quality and repeatability
Tongjin Technology operates a continuous quality improvement program, working closely with our customers to satisfy their APQP requirements through FMEA, SPC, MSA and PPAP.
We maintain repeatability levels approaching Six Sigma standards, supported by a best-in-class in-house metrology facility covering:
Material hardness and mechanical properties
Surface roughness measurement
Material analysis and dimensional accuracy measurement
True prototype to production supply
As one of the largest automotive, home kitchen sheet metal component supplier in China, we photo-etch more than 500 tonnes of raw material each year, manufacturing over 20 million precision components for the automotive industry.
Tailored customer solutions
We react quickly to increased customer demand, investing in new and additional manufacturing lines, and working with our technology partners to streamline manufacturing and reduce cost.