tool joint

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[CN] Hebei Longway Petroleum Equipment Co.,Ltd [Manufacturer]
Key Products/Services:
Business Overview: We are a leading manufacturer of oli drill pipe, coalbed gas drill pipe, shale gas drill pipe, geothermal well, water well drill pipe and drill collar/kelly...

[CN] LUHAI Petroleum Equipment Co., Ltd [Manufacturer]
Key Products/Services:
Business Overview: LUHAI start in the new era of economic globalization and China's petroleum and petrochemical industry rapid development. We follow the business philosophy o...