Supplier of seamless steel pipes in china

Supplier  of  seamless steel pipes in china. Our factory are professional in producing API5L PLS1/PLS2 line pipes  We can according to API5L,ASME or GB  to produce. Standard: GB/T 8163, ASME, API5L Material: ASTM A53/A106 GrB. API5L GrB. PlS1. 10#,20#,Q345 etc. Outside Diameter: 8-630mm Thickness: 1-40mm