... 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 ... Beam Roll Forming Machine,U Section Roll Forming Machine,U Profile Roll Forming Machine2) U shape purlin roll forming machine ...