USAGE AND FEATURES: 1.The ejector back-kicking feeding system. 2.The built-in skip( intermittent) feeding feature makes offers the capability for making large-sized cartons. 3.All the transmission gears are made from quality steel through heat treatment and grinding. 4.The application of the spine-free shaft collar ensures long term operating performance and high process precision in printing. 5.Automatic zero-setting and automatic resetting. 6.Large-sized double-piece cartons can be produced by moving the middle die. 7.The powerful cylinder main lock for the whole machine makes the system more stable.