... WC, take-up frequency convert, High quality PP plate, axial double pump, vortex gas blowing, high efficient vortex blowing, ... A) the pretreatment line production process630(800) pay-off machine,self-adjustment constant tension pay-off stand,support roller, ... washing,drying,bogie,truck tractors,630 (800) take-up machine(B) equipment technical parameters:Serial numbernameParameter 1line number10 line+1 ...