... . After that, the surface material will go into a twin-belt machine, and the machine will heat the two layer ... machine, preheating roller channel, foam machine, fabric machine, double belt machine, length cutting machine, roller conveyor3.The main technical ... :3-6 m/minDual-crawler belt machinelength:24mDual-crawler belt machine opening heat:300mmDual-crawler belt machine heating temp:60 °CTotal ...