1)26 years experience on OEM precision casting 2)ISO9001:2008, CE/PED Certified by TUV 3)small ... Solid Work 2001,CAXA, UG, CAD/CAM/CAEProduction capacitymore than 2,000MT per yearheat treatment:anneal, quenching, normalizing, carburizing,polishing, ... drawing spec. Final inspectionTest the parts’ mechanical properties by tension tester, impact tester, hardness tester, take NDT with X-ray, UT and M.P ...