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

6 1/2′′ Drill Collar, Drill Equipments, Drilling Machinery manufacturer / supplier in China, offering 6 1/2′′ Drill Collar in Stock with Nc38 Thread, 17′′ Combination Rock Bit/Tricone Bit/Hole Opener, 17 1/2"Hole Opener for Water Well Drilling and so on.

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