... manufactures and sells stainless steel decorative pipes(e.g. round pipe with range from diameter 6 mm to 219mm, square ... US ASTM A554,ASTM-312,ASTM249,ASTM270. Welcome any of inspection on goods before shipment.2) High quality products(Our company ... do the whole processes, such as cold rolling, annealing, slitting, pipe making and so on, because of everything is under our ...