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carbon seal, mechnical seal ring,O ring
2. resined impregnation like phenol, furan,antimony....
3. goods quality and best performance and application
1.commodity name: seal. carbon seal, mechnical seal ring,O ring
2.grade with resined phenol, antimony,furan
3.size could produce any one as per customer's requested. you can supply darwing or sample..
4.technical datas as below grade