SUNWIND always follows ‘Quality First' principle in every aspect throughout all the stages of production. Perfect product design, carefully selected raw material, and reliable production process makes SUNWIND shock absorbers of top Quality. Internationally recognized quality system ISO 9001:2000 has been certified and fully implemented. And we are proud of being the first manufacturer in China mainland to get ISO/TS 16949.

  • Hardness test

  • Chrome layer hardness measurement of piston rod to ensure the abrasive resistance meets the requirement of Chrome for shocks.

  • Breaking Tester

  • To examine the joints so as to make sure that our products can reach the torque standards, and last longer.

  • Performance Test

  • To test our products' performance in different speed and generate performance chart with damping force.We are also pleased to design and develop specific shocks for customers following international standards and/or customer specifications.

  • Leaking Test

  • This tester is used to test and examine the product welding part to avoid any possible leaking caused by defective weld.

  • Tolerance Test Machine

  • To test our products' performance in different speed, this can show real data in different road situation.

  • Salt Spray Test

  • Test painting of shocks to make sure the surface paint intact and no rust.