... Metallurgy, Pharmacy and Cars 3) ISO9001 4) Widely used Mechanical Seals:1) We can supply all types of pump kit ... 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 Mechanical Seals