... Max. forming speed: 30m/min 3.Total power:about65kw 4.Total weight: about 22,000kg General description: This changeable purlin machine can ... the profile, specification, length, punching cutting, and roll forming. JCZ-350 changeable purlin machine consists of hydraulic decoiler, flattening device, 2 sets of ... jgtec.com.cn/index.asp http://jgrollformingmachine.com/ JCZ-350 c/z changeable purlin machine