... PVC edge banding by autonamic banding machine. 3, electricity equipment:Adopt teaching safety main power, with control drawer, AC and DC current ... and blowing rate of the draught fan,also the total electricity power used for students( DC 2-24V, AC 220V). 4, water ... chemical resistance UPVC plastic, 6.5# rate adustable centrifugal fan (power:5.5KW, n=0~1450/min, blowing rage: 0~12000 ...