Mechanical Seals, Pump Seals, Sic Ring manufacturer / supplier in China, offering GLFT CR-4R GL CDLC 12 16 22 mm Mechanical Seal Cartridge Seal, Cartridge Seal of Aau30-K900-95 Mechanical Seal, High Density Standard Mechanical Seal LZ Series Suit for Fluid Pumps Shaft 20 25 35mm TC/TC/ CER/ V and so on.