... machine,C & Z purlin machine,Roof & wall forming machine,Octagon tube machine,Guardrail forming machine,Tile roof forming machine,Door frame forming machine,Down pipe forming machine ... ,Shearing and press brake machine,T-bar forming machine,roller shutter slat forming machien,etc.automatic stacker machine1.main specificationmotor ... about 2 TIR singal control2.photo for refer: automatic stacker machine