... non-level adjustment for producing varied specification of C & Z purlins, in no need of roller changing.2. PLC ... holes, required purlin quantity, etc., is set on touchable screen.3. COMPOSITION: It is composed of decoiler, material guider, leveler, ... -- Manual Guider -- Leveler -- Hydraulic Cutter -- Rollformer -- Straightener -- Finished C / Z Purlin Profile -- Run-Out Table -- PLC Controller Steel C ...