we are the biggest manufacture and export of the ERW steel pipe in china the size for the rec. from : 9* 19-60* 120. thickness : from 0.5-3.75mm
Taian Kenuo Profile Steel Co., Ltd., which is an expert in the research, the developing and the production in Cold Formed Hollow Section, is located in the foot of Mountain Tai, the head of the five....
we r one of the biggest manufacture and exporter of the ERWsteel pipe . the size for the square tube we couls supply as follows : the size : from 12.7* 12.7- 80* 80 , thickness from : 0.5-3.75mm