We manufacture welding machine, bending machine, auto-packing system and we invent other necessary equipment 250M/Min. HR Slitter line HR, HR STAINLESS.4mm.0mm.7mmmm From: Asphalt Materials Science and Technology, ese machines can form studs or track from 3 5/8" to 8" with 26 to 14 gauge steel and 1 5/8" and 2 1/2" members. Angle. Angle roll No.688，Jianle Road, Dist, , China. HVAC/TDC forming line.-23. MORE + Shelf plate machine.-23. MORE + Shelf column machine. Customized Quality Downspout Roll Forming Machine manufac Portable Downspout Roll Forming Machine With 6-8m/min Speed from China manufacturer.