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Welong Supply Chain

Product introduction

Size: 3 1/8"-11"OD
Type
• Slick Drill Collar
• Spiral Drill Collar
Material
• AISI 4145H/AISI 4145H MOD
• Non-magnetic 


Tel:+86 (0)29 88331700/+86 (0)29 88331330
Email:oiltools15@welongpost.com/oiltools@welongpost.com
Headquarter: No.1501,17th floor,block B of Van Metropolis Tangyan Road Xian Shaanxi China
Manufacture:No B18 Workshop HL Industrial Park, Jiyuan, China     
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