- Shanghai Haoheng Industires Co., Ltd
- China Manufacturer with main products:API Oil pipe threading inserts
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- API pipe round threading inserts
- API oil pipe round threading inserts
- API oil casing round threading inserts
- API oil tubing round threading inserts
- API casing round threading inserts
- API tubing round threading inserts
- API oil pipe buttress threading inserts
- API oil tubing buttress threading inserts
- API tubing buttress threading inserts
- API casing buttress threading inserts
