... Ceiling Channel Roll Forming : 1,high quality,and automautic 2,easy operation 3,low price Steel Ceiling Channel Roll Forming 1. ... active feeding--roll forming--measuring length--pressing--cutting to length--product to stand2. Main Equipment Decoiler, main forming machine, hydraulic ... , automatic cutting afterforming, no distorting or wasting, high level safety factor. 6.ControllingDevice6.1 Screen: 5 ...