Mechanical Seals, Pump Seals, Sic Ring manufacturer / supplier in China, offering GR-Z4 SQQE Mechanical Seal Cartridge Seal for Glf Pump, High Density Standard Mechanical Seal LZ Series Suit for Fluid Pumps Shaft 20 25 35mm TC/TC/ CER/ V, Cartridge Mechanical Seal AD01 Suit for Addritz and Sulzer Pump Seal Replacement AK5M 38/43/53 Seals and so on.