We can supply many kinds of roll forming machines, such as wall and roof roll forming machine, floor decking machine, C&Z type purlin roll forming machine.     This type of roll forming machines applications:     1) Construction such as steel structure industry for producing     2) C&Z type purlin, wall and roof roll forming     3) Equipments of protective environment     4) Traffic, auto sections     5) Highway guardrail roll forming machine     6) Ridge tile machine