WE SELL THE PROFITS,NOT THE PRDUCTS JUST GET WHAT YOU NEED HERE API, ISO (alloy steel E.X.G.S) OD :2 3/8,2 7/8,3 1/2,4,5 We can supply all varieties of drill pipes that are consistent with API SPEC 5DP or SY.Drill pipes can be made to customers requirements and specifications, and can be equipped with the same type of tool joints.Advanced drill pipe production lines can transfer the welding ...