Hebei Huixing Cold Rolled Steel Pipe Co., Ltd. Our company established in 1988. it is one of the largest manufacturers who produces electric resistance welded steel pipes, cold rolled steel strips. We are located in LangFang City of Hebei Province. We have exported our product long time. 1) The round steel pipe ranges from 12mm up to 100mm, and the thickness is from 0.4mm up to 3.0mm. The hollow section (square and rectangular steel pipe) size is from 12mm x 12mm up to 100mm x 100mm , and the thickness from 0.4mm up to 3.0mm. The standard : ASTM A500 b GB/T3094-2000. 2) The cold rolled steel strips width is from 25mm up to 375mm, and the thickness is from 0.15mm up to 2.0mm 3) The galvanized steel pipe standards are BS1387/1985, DIN2440 and ASTM A53A SCH40 E-mail: xxxxx Website: xxxxx Contact Person: Louis Liu