... : ASTM BS DIN GB 1,Our Channel is good quality and competitive price,2,Steel Channel : Technoligy could be hot rolled ... bend by hot rolled coil.3,Shape: U C Z ,angle,channel and so on4,Channle is Widely used in wall beam ... cost-effective steel, is an alternative angle, channel steel, steel and other traditional steel purlins,it is the new building materials ...