1.Seal for mining 2.Standard Style: Mechanical Seal Material: Rubber 3.type or structure: TC, TB, TA, SC, SB, 4.Good quality ... for mining : Standard or Nonstandard: Standard Style: Mechanical Seal Material: Rubber Place of Origin: Hebei Crubber mining oil seal - ISO9001: 2000 ... and manufacturing all of oil (water) seals, gaskets, o rings, rubber parts7. OEM and ODM orders are welcome. Seal for mining