In addition, the main components meet or exceed the stringent standards of QS/9000, ISO/9001, ISO/14001 and IATF/16949. Our gasket line is made of non-asbestos material, the best rubber, stem seal, graphite or MLS (multi-layer steel) head gasket for superior sealing. Our timing kits, pumps, tensioners, chains, gears, baffles, regulators and other related products are produced from high quality raw materials and rigorously tested. Sometimes we cannot reply immediately Because of time difference, please wait for some more time.