Oil drill pipeProduct Features1. Superior-quality pipe& advanced heat treatment process, high st···

Product FeaturesSuperior-quality pipe& advanced heat treatment process, high strength &high ···

API Drill PipeGradeStretchingTensile StrengthExtension RateImpact power Akv JMinMaxMinMin10*10PsiMpa···

Product FeaturesSuperior-quality pipe& advanced heat treatment process, high strength &high ···

Product FeaturesSuperior-quality pipe& advanced heat treatment process, high strength &high ···

Geological Drill IntroductionHebei Geological Engineering Co., Ltd. Sun Life is specialized in produ···