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, API 6" 152mm Four Wings Matrix Body PDC Bit Supplier, Competitive Price 6 1/2" Rock Bit for Water Drilling and so on.

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