【中文】氟橡胶材质，耐高温油液，防止机油沿气门杆渗入燃烧室，年产9000万件，供上汽乘用车、上汽通用、吉利、长城、比亚迪、北汽等主机厂。
【English】Fluoro-rubber valve stem oil seal preventing oil bypass along valve stems into the combustion chamber; 90 million pcs/yr, supplied to SAIC, SGMW, Geely, Great Wall, BYD and BAIC OEMs.
