Mechanical Seal, Rubber Bellow Seal, Single Spring Seal manufacturer / supplier in China, offering Mechanical Seals Zs-24 Forhorizontal Centrifugal Cnp Pump Zs-24 Zs-32 Ng-32 /Bse4/Bsf4, Zs Seal Mechanical Seal for Cnp Horizontal Centrifugal Pump, Mechanical Seal Single Spring Vulcan 560A for Industrial Pump and Sea Water Pump and so on.