Roll Forming Machine, Cold Roll Forming Machine, Metal Roofing Machine manufacturer / supplier in China, offering 20+ Years Manufacturer Automatic Metal Aluminum Galvanized Coils Color Steel Trapezoidal Glazed Floor Deck Sheet Cold Roll Forming Machine Price, Factory Price 75-200 Metal Steel Structure Thickness 1.0 mm -2.5mm Manual C Purlin Channel Profile Cold Roll Forming/Making Machine Building Material, High Quality Automatic Customized Racking/Rack Storage Shelving/Shelves Beam Cold Roll Forming/Former/Making Machine/Machinery with CE & ISO9001 Certificate and so on.