... punching cutting, and roll forming. JCZ-350 changeable purlin machine consists of hydraulic decoiler, flattening device, 2 sets of ... accurate. The control system includes a industrial computer, RS485 connector with PLC. The system use WINDOWS2000 with soft ware ... material machinery such as sandwich panel machine, steel forming machine, and guardrail forming machine etc. Our productds are ISO9000 and ...