Yuantai Derun Steel Pipe Manufacturing Group

Yuantai Derun steel pipe Group is the largest square steel pipe and rectangular steel pipe manufacturer in China. our main product: square hollow section:10*10-1200*1200mm THK: rectangular hollow section:10*15-800*1200mm THK: circular hollow section: Thk: Standard:EN10210,EN10219,ASTM A500,ASTM A501,ASTM A53,ASTM A106,ASTM A572,JIS G3466,AS1163,CSA ,CSA ,etc. Steel Grade:A/B/C、S235/275/355/420/460、A36、SS400、Q195/235/355、STKR400/490、300W/350W、C250、C350,C450,etc.