The main products are various common carbon and excellent carbon cold rolled steel with thickness of 0.3 ¡« 4.5mm and width of 20 ¡« 320mm ¡¢ 0.8~3.0mm thickness ¦µ13-¦µ60 diameter high frequency welded steel tubes and square tube . They are widely used in hardware ¡¢ punch products ¡¢ welding pipe and other fields.