Quick Interchangeable C/Z Purlin Forming Machine Summary Material: G.i Coil or Carbon ... machine: about 15 Ton One machine can produce differenct C/Z Purlins throught simple manual stepless adjustment, when to produce different ... length of purlin, portrait hole distance, quantity, etc datas. C/Z purlin roll former make up of decoiler, feeding, leveling, 2 ...