... carMaterialstainless steel, carbon steel, hot rolled steel , copper, iron, etcTestFatigue test machine Salt spraying testerMakingprocesstamping, metalplated,bending, welding, rivetingSurfacetreatmentgalvanized , copper plated, chrome ... as well as special purpose vehicles. Theperformance and the technological index of the seats has been approved byISO9001quality system, and CCC ...