... , U Profile Forming Machine, U Section Forming Machine, U Shape Forming Machine, U Purlin Machine: U Channel Forming Machine,U Profile Forming Machine,U Section Forming Machine,U Shape Forming Machine,U Purlin Machine: ALLSTAR MACHINERY:U Channel Forming Machine,U Profile Forming Machine,U Section Forming Machine1)Description of Machine: U Purlin Roll Forming Machine,U Shape Roll Forming Machine,U ...