Profile: Shanghai Allstar Industrial Co.,LTD specializes in designing and manufacturing various cold roll forming machines, insulated sandwich panels & subsidiary machinery. Our products include roof tile roll forming machines, wall panel roll forming machines, steel roll forming machines, double layer roll forming machines, glazed tile roll forming machines and ridge cap roll forming machines. We offer corrugated roll forming machines, floor deck roll forming machines, down pipe roll forming machines, gutter machines, roller shutter door forming machines, slitting & cutting machines and embossing machines.