We are professional seamless steel pipe manufacturer located in china and we wish we can take this opportunity to know each other better and establish a long and stable cooperation with you. We mainly produce ASTM A106GrB/A53GrB/API GrB ,ST52, S45C and so on as well as part of alloy pipes .The scope is from 1'' to 18'' with the wall thickness cover 2.5mm to 80mm .
