... About US We has been established in 1995 as a professional manufacturers of ROLL FORMING MALCHINE. We use AUTO CAD ... leading manufacturer and reported of roll forming machine in China. We manufacture various kinds of roll forming machine for producing the ... Purlin, Highway Guardrail, Sandwich Panel, Container Board, Car Panel, Roll Shutter Door, Downspout, Decorated gusset, Steel Pipe...etc.Our ...