Industrial Motor Chain, Widely Used in Metallurgy, Pharmacy and Cars Model Number:Mechanical Seals We can supply all types of pump kit machinery sealing elements and sealing auxiliary materials (alumina ceramics, carbon-graphite, rubber parts, and precision punching elements) Rubber parts: NBR, EPDM, Viton, silica gel and chlorinated rubber Tungsten carbide and graphite Our products: Pump seal: WM301, WM155, WM560A, WMBIA, WM1, WM20 and WMFBD Industrial pump seal: WM1527, WMCG, WM58U 59U, WM5Q and WMCU Double mechanical seal: WM202/208, WM50D, WM47D and WD5ED Automobile seal: WMB, WMBRS, WMBS, WMBG, WMBR, WMC1 and WMC2