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

PDC Drill Bit, Diamond Drill Bit, Hard Information manufacturer / supplier in China, offering 6 3/4 Inch Matrix Body PDC Drill Bit for Hard Rock, 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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