Mechanical Seal, Pump Seals, Sic Seals manufacturer / supplier in China, offering 4eb Mechanical Seal for Marine Centrifugal Pump, Multi-Spring Mechanical Seal with Sic/Carbon Faces for Ship Process Pump, Hot Selling 12mm/16mm Hqqe Mechanical Seal for Cr5/Cr10/Cr15/Cr32 Pump, Hqqe-16 12 22mm Cartridge Mechanical Seal Cr1 Cr3 Cr5 Cr10 Cr15 Cr20 Cr32 Cr45 Cr64 Cr90 Crn1 Crn3 Crn5 C and so on.