Your Product Potential, Now Maximized

Tongrun is your premier business partner for contract manufacturing services.

TRUE DFM

Our competitors believe that making suggestions that fit their manufacturing process equated to DFM. We believe in True DFM which provides our customers tangible results in functionality, reliability, manufacturability and repeatability.


  1. ANALYZE Our engineers are committed to fully understand the application and function of your product.
  2. IMPROVE We enhance your design for dimensional & tooling repeatability in conjunction with material utilization.
  3. MANUFACTURE We optimize our processes for automation, repeatability, reduced cycle time and eliminating waste.
  4. PACKAGING Our competition tends to think of packaging when its too late. We design low cost packaging, which we produce in-house, before we manufacture your part.

The Difference is Clear

Tongrun is your premier business partner for contract manufacturing services. When it comes to sheet metal manufacturing, our services are unparalleled. From start to finish, we provide value added engineering, rigorous quality inspections, and catered logistical solutions to match your companies needs.

Engineering Your Product’s True Potential

Tongrun takes your vision and optimizes it for the manufacturing process saving your company time and money while enhancing the quality.