... more about our machine: www.ch-lw.comIntroductionC or Z Shape Purline cold Forming Machine can produce many size of C & Z shape purline. The ... 250Suitable material for productionC & Z Purlin mainly use hot roll steel strip or hot dip galvanized steel strip at thickness 1.5 ... and wall in large-scale and mid-scale construction, such as factory, warehouse, garage, exhibition center, cinema, theatre, garden ...