... PP plate, axial double pump, vortex gas blowing, high efficient vortex blowing, environmental pretection, energy-saving, PLC data control ... the pretreatment line production process630(800) pay-off machine,self-adjustment constant tension pay-off stand,support roller ... drying,bogie,truck tractors,630 (800) take-up machine(B) equipment technical parameters:Serial numbernameParameter 1line number10 ...