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14
YRS
Hejian Deris Petroleum Drilling Equipment Co., Ltd.
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Company Overview
14
YRS
Hejian Deris Petroleum Drilling Equipment Co., Ltd.
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COMPANY OVERVIEW
Company Album
Basic Information
Selected products
Steel Body Durable 1613 Cutters 5-Wing PDC Drill Bit for Water Well Geological and Mining Geothermal Soft Medium Hard Rock
13 5 8 Inch IADC 537 637 635 TCI Tricone Drill Bits for Water Rock Drilling
Iadc 537 Tci Tricone Bit 8 1/2 Inch 215.9mm Api sealed Bearing 3 Cone TCI Tricone Drill Bit 311 for Water Wells
1313 1613 Cutters New 250 300mm 12 1/4 Inch 8 Blades Steel Body PDC Drill Bit Oil Well Head for Hard Rock Granite
QUALITY CONTROL
Quality Management Process
Ensure every size accurate
Measure every size after machining , Ensure the cones inner and out diameter and legs size accurate. Make all of clients can drilling accurate hole.
