Mechanical Seals, Pump Seals, Sic Ring manufacturer / supplier in China, offering Standard Mechanical Seal LZ Series Suit for Water Pump Cartridge Mechanical Seal FS-35mm, Rotary Pumps Mechanical Seal for Rotor Pump, Shaft Size 35mm TC/TC/VIT, John Crane 4610 Cartridge Mechanical Seal 81665460 SIC/SIC/V/PTFE 40mm and so on.