2 3/8"-5" inch API 5DP Drill Pipe For Sale: Grade:DZ50,E75,X95,G105,S135 OD: ... Drill Pipe For Sale :Grade: DZ50,R780,E75,X95,G105,S135Material:40Cr,45Mn2,35CrMo,4137HApplication: oil field,geological field,coal mining,ore mining,well ... Arnco 100XT,Arnco 300XTAbout Longway Company:Shijiazhuang LongWay Petroleum Drill Tolls Co., Ltd which found in 1996 specially ... 2 3/8"-5" inch API 5DP Drill Pipe For Sale