... adopt PLC control: DeltaFrequency converter: Delta3. equipment Manual decoiler, main roll forming machine, hydraulic cutting device,hydraulic station, PLC computer control, electric locking ... 1Decoilerset1 2Main machine for roll formingset1 3Control systemset1 4Hydraulic systemset1 5Automatic cuttingset1 6Output tableset1 Jiangyin Yunfeng Mechanical Co.,Ltd. 840 color steel tile roll forming machine