Gold Member Since 2016
Audited Supplier
Cangzhou Lockheed Petroleum Machinery Co., Ltd.

4 3/4′′ Drill Collar, Drill Equipments, Drilling Machinery manufacturer / supplier in China, offering Second Hand 4 3/4′′ Drill Collar for Water Well Drilling, 120mm Drilling Mud Motor of Downhole Drilling Equipment, 8 1/2" PDC Oil Drill Bit for Rock Drilling and so on.

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