Botou Huikeyuan Engineering Control Co.,Ltd is one of the best c21 color metal profile roofing sheet roll forming machine manufacturers,Website: , welcome to import our c21 color metal profile roofing sheet roll forming machine made in China and check the price with us.●Product description C21 Color Metal Profile Roofing Sheet Roll Forming Machine is using color coating steel plate, by rolling and cold bending into various wave types of pressure plate. It is used in industrial and civil construction, special warehouse buildings, large span steel structure housing roof, walls, and internal and external wall decoration, with the characteristics of lightweight, high strength, color rich, convenient and quick construction, earthquake, fire, rain, long service life, maintenance free.