We are a manufacturer in making pump mechanical seals, auto pump seals, water pump seals, cartridge seals, metal bellow seals and ceramic seal faces and rings, sintered sic(ssic) seal faces and rings, sic(silicon carbide) seal faces and rings, tungsten carbide(TC) seal faces and carbon or graphite seal faces andrerings.They can mostly take place those products of famous brand, but with very lower prices.You can have a visit to our website www.hengmiseal.com to get more information.Please email to request them  if you need our mechanical seal catalogues. The catalogues with detailed dimensions of mechanical seals will be sent to you by email or by air.Sincerely hope there is an opportunity to cooperate with you and your esteemed company.