... specialed in making K-span roll forming machine. We can p roduce various type of ... K-span roll forming machine.Working process:Decoiler → Feeding sheet → Roll Forming ... machine:6m/minApplication:BH240 machine produces the Arch roof for Workshop, Warehouse, Hanger, Garage,Gymnasium, Museum and Cinema... BH240 curving roof Roll forming machine/Arch roof roll forming machine ...