1. Heat-board surface are whetted. 2. The heat-board pressure roller is coarctation style, lift-lower can select electromotion or oil pressure control. 3. The upper canvas strap was equipped deflection moving set, pneumatic strain set ,the lower canvas strap was equipped strain and left-fight adjustment set. 4. Cooling and finalize the design parts adopt coarctation pressure roller design style. 5. Gear transmission oiliness lubricated 6. Drive roller are wrapped wearable latex, improve the using longevity of canvas strap. 7. Expiry width:1400mm-2200mm