Blue Sky Seal designing and manufacturing Mechanical Seals Since 1993. Offering the widest range of standard mechanical seal from any compnay anywhere.Blue Sky Seal developed Elastomer Bellow mechanical seal,O-ring pusher mechanical seal,Metal Bellow mechanical seal, Cartridge mechanical seals, Metal bellow mechanical seals, PTFE Bellow mechanical seal and O.E.M Pump mechanical seal (Grundfos Pump seal,APV pump seal, Alfa Laval pump seal). Always following our vision statement of "gaining mutual benefits with our customers", we devote ourselves to serving every customer to the best of our abilities. Blue Sky seals cooperates with our customers in design and manufacturing on a wide range of fluid seals with both domestic and overseas research institutions, and provides acclaimed European, American, and domestic enterprises with supporting services.