... 10-year experience Z Section Forming Machine: ALLSTAR MACHINERY:Z Purlin Forming Machine,Z Section Forming Machine,Z Shape Forming MachineIntroduction ... of Z Purlin Roll Forming Machine,Z Profile Roll Forming Machine,Z ... 5-3.0mm 12 Rolling spec.: spec. of 80-300 13 Uncoil width: 1000mm 14 Precision of length: 10000mm ...