1.Seal for mining 2.Standard Style: Mechanical Seal Material: Rubber 3.type ... , TB, TA, SC, SB, 4.Good quality Seal for mining : Standard or Nonstandard: Standard Style: Mechanical Seal Material: Rubber Place ... of Origin: Hebei Crubber mining oil seal - ISO9001: 2000 standard OEM/ODM are welcomedRubber ... parts7. OEM and ODM orders are welcome. Seal for mining