Steel Pipe 1.CE, ISO 2.a leading one in China ... and sells stainless steel decorative pipes(e.g. round pipe with range from diameter 6 mm to 219mm, square ... pipe with range from 10x10 to 100x100,and rectangular pipe with range from 20x10 to 150x100 ... do the whole processes, such as cold rolling, annealing, slitting, pipe making and so on, because of everything is under our control ...