... :about65kw 4.Total weight: about 22,000kg This changeable purlin machine can produce 2 profile in one machine, and ... , length, punching cutting, and roll forming. JCZ-350 changeable purlin machine consists of hydraulic decoiler, flattening device, 2 sets of ... and supplier. We specialize in the production of construction material machinery such as sandwich panel machine, steel forming machine, and ...