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Shenzhen TANK Drilling Technology & Equipment Co., Ltd.High Air Pressure DTH Drilling Bits DTH Hammer for Drilling Water Well & Mining
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Xuchang Yuanhong Trading Co., LtdGood Price 113mm 3wings PDC Drill Bit Steel Body No Core Bit
Xuchang Yuanhong Trading Co., Ltd1308 Well Drilling Tool Drill Bits Inserts Height Class PDC Cutters for Coal Mining
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Qidong Fengsu Drilling Tools Co., Ltd.New and Good Quality 12 1/4 Inch 5blades PDC Drill Bit for Oil
Xuchang Yuanhong Trading Co., LtdHigh Wear Resistance Three-Wing Arc Angle PDC Mining Drill Bit for Mining Exploration
Shenzhen TANK Drilling Technology & Equipment Co., Ltd.Customization 200mm Four-Wing Arc Angle Drill Bit for Geological Exploration
Shenzhen TANK Drilling Technology & Equipment Co., Ltd.1304 1308 1313 High Wear Resistance PDC Cutters Diamond Inserts for Dill Bit Convex PDC Cutters
Xuchang Yuanhong Trading Co., LtdStablize 94mm Four-Wing Arc Angle Drill Bit for Geological Exploration
Shenzhen TANK Drilling Technology & Equipment Co., Ltd.D Miningwell TCI Tricone Bit Three Cone Tricone Bit 7 1/2 for Water Oil Gas Well
Xuchang Yuanhong Trading Co., LtdChina Durable Drill Rod Wrench Drilling Pipe Wrenches for Coal Mining and Exploration
Changsha Fast Drill Engineering Machinery Co., Ltd.8 1/2'' 215.9mm Tricone Single Roller Cone Bit for Core Barrel
Xuchang Yuanhong Trading Co., LtdTricone Rock Bit 4inch TCI Tricone Bit Manufacturer IADC 117 537 for Water Well Drill 3-Cone API
Xuchang Yuanhong Trading Co., LtdLong Life 65mm Five-Tooth Flat Top Drill Bit for Mining Exploration
Shenzhen TANK Drilling Technology & Equipment Co., Ltd.Global Wholesale Xmw Series TCI Roller Oil Field IADC 537 Tricone for Gas Field
Xuchang Yuanhong Trading Co., Ltd229mm Steel Tooth Tricone Rock TCI Tricone Bit in South Africa
Xuchang Yuanhong Trading Co., Ltd