活塞环是发动机心脏部分的主要零部件之一。别看它体积小,重量轻,但却起着至关重要的作用。然而,由于活塞环制造工艺复杂,技术条件要求极高,国内现有水平还不能从根本上解决与主机配套的不足。改革开放以来,活塞环行业已经摆脱了过去汽车工业政策上重主机、轻零部件的束缚,从被动的从属地位上自立起来,为“加快汽车零部件国产化进程”进行不懈努力,其中最突出的是 The piston ring is one of the major components of the heart of the engine. Do not look at it small size, light weight, but it plays a vital role. However, due to the complicated manufacturing process of the piston ring and the extremely high technical requirements, the existing domestic level can not fundamentally solve the problem of supporting the host machine. Since the reform and opening up, the piston ring industry has got rid of the shackles of heavy machinery and light parts on past auto industry policies and has made its own passive passive subordination to make unremitting efforts for “accelerating the localization of auto parts and components”, most notably Yes