Shanghai Allstar Roll Forming Machinery Ltd. is based in China and lists cold roll forming machines on Global Trade Plaza. The company specializes in designing and manufacturing cold roll forming machines and insulated sandwich panel production lines, including roof sheet, wall panel, corrugated sheet, trapezoidal sheet, IBR sheet, glazed tile, double layer roofing, standing seam, tapered Bemo sheet, K Span curving roof, C & Z purlin, U channel, furring channel, L shape, omega shape, lock profile, floor decking, highway guardrail, downspout, gutter, ridge cap, and door frame roll forming machines, as well as EPS, PU, and rockwool/mineral wool insulated sandwich panel production lines. These machines are used to make metal construction materials for prefab houses and infrastructure projects. Buyers can send an enquiry through Global Trade Plaza.