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, API Standard 12 1/4" Steel Tooth Bit with Competitive Price, 269.9mm 10 5/8" 5 Wings Matrix Body PDC Bit for Hard Rock Stratum and so on.

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