waterwell drill pipe

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[CN] hebei longway petroleum equipment co., ltd. [Manufacturer]
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Business Overview: Hebei longway,a professional petroleum drilling tools manufactturer og design,process,inspection and maintenance. Longway have top equipments.All kinds of ...

[CN] China Topworld Asia Metal Products Co.,Ltd [Manufacturer]
Key Products/Services:
Business Overview: China Topworld Asia Metal Products Co., Ltd. is located in Cangzhou Industry Area, Hebei Province,near Beijing city and Tianjin port. We enjoy convenient se...