... steel structure factory, warehouse, public buildings etcBoltless roof panel forming machine main components:1. Manual decoiler(5 tons): 1 set2. Main ... : 3 sets6. Manual in English: 1 setMain Technical Parameter:1. Weight of machine: 6 tons2. Forming steps: 19 steps3. Motor Power: 7 ... : 15-18m/min6. Feeding width: 1000mm, Effective width: 760 mm,height: 71 mm7. Material thickness: 0.4-0.8 mm