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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£º029 89382777   89387222
Email:oiltools@welongpost.com
Headquarter: 17- B of Van Metropolis No. 35 Tangyan Road Xian
Manufacture:No B18 Workshop HL Industrial Park, Jiyuan, China
Copyright © China Shaanxi Welong Petroleum Equipment Co.,Ltd All Rights reserved