... for Pre-pressing process of making plywood, blockboard and decorative board, small volume,handling,conveninet asemmbly.2.In ... long life cycle,is not easy to damage.3.Hydraulic device main components are installed in compressor top,cover ... higher than 0.7MM.Bring convenience for cleaning,maintenance,and good safety .5.Small work power ,fast closing ... THAN 20 500T 4*8feet wood panel cold press with chain