Seamless Steel Pipe, Tube, Steel Tube manufacturer / supplier in China, offering Galvanized Hot Rolling Continuous Rolling Gi 57*4mm GB/T8163/5310/3087/9948/6479 ASTM A106 A53 API-5L Round Hollow Carbon Alloy Seamless Steel Pipe Tube, Hot Rolling Precision Cold-Drawing 1 1/4"Sch80 ASTM A106 A53 API 5L Round/Hollow/Galvanized/Black/Carbon/Alloy Seamless Steel Pipe/Tube for Buildings Fluids, Hot Rolling Precision Cold-Drawing 1 1/4"Sch40 ASTM A106 A53 API 5L Round/Hollow/Galvanized/Black/Carbon/Alloy Seamless Steel Pipe/Tube for Buildings Fluids and so on.
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