Dyseals is specialized in making pump mechanical seals with high quality and competitive price in China for 30 years, operating ERP system characterized with mechanical seal industry and tele-work.Pump mechanical seals,silicon carbide and ceramic shafts and sleeves/bushes/bushings,bronze sleeves,boron carbide and sic bullet-proof plates etc.Pump manufacturers and repairs and mechanical seal companies are welcome to establish business relationships. Dyseals is the right one you are looking for.