NingBo Unique Seals LTD.is a professional manufacturer and exporter of all kinds of Single and Multi Spring Mechanical Seals, Cartridge Seals,FLYGT pump Mechanical Seal, Pumps, Gaskets, O-rings ,OEM and other sealing materials. The products are widely used in many fields, such as spacecraft machinery, metallurgy, printing and dyeing, foodstuff, auto industry, pharmaceutical and so on .NingBo Unique Seals LTD. is able to design, measure and produce all kinds of out-of-standard and special mining mechanical seals. Ningbo Unique Seals Ltd. can provide all kinds of replacement seals for John Crane,Burgmann,Flowserve,Roten,Chesterton,AES, LATTY,Fluent...