ISO 9001:2008 TS 16949:2009 ISO 14001:2004
铸件按材质的要求进行正火、退火、淬火回火、感应淬火、渗碳、氮化等热处理。 Heat treatment: Heat treat the casting by nomalizing, annealing, quench+tempering, induction quenching, case hardening and Nitriding per material spec.