We have developed more than 10 series of steel roof metalic sheet machine which can meet the requirements of all steel construction, such as production lines for wall &roof sheet, color steel tile, C&Z&Wshape purlin and floor decking sheet as well as production line for all kinds of sandwich panels, curving machines for roof sheets. We also supply production lines of guardril sheet for expressway, shutter doors, garages doors downpipe. Besides, we devoted to the research and development of various kinds of other products related to steel structure, such as hydraulic press brake machine, shearing machine, slitting machine lifting machine, gas cutting machine, drilling machine, etc.