Mechanical Seals, Pump Seals, Sic Ring manufacturer / supplier in China, offering China Manufacturer Type SHF(V)-D/SHP(V)-D Cartridge Mechanical Seal for Water Pump, High Quality Standard Industry Single Mechanical Cartridge Seal Replacement Flowserve Series for Fluid Pump, MA290 MA291 Cartridge Mechanical Seal for Mixer Pumps Shaft Seals MA390 and so on.