... device, varnish ,silk wrap ,varnish,driving traction wheel ,heating oven, driving traction wheel , monolithic driven wheel device,take ... one time on the second slot of traction wheel Heating OvenOven adopts frame structure, external surface made of stainless ... Oven Length: each length is 2000mm;Heating Method: inside heating by stainless steel electric heating pipes, inner chamber seal off by ...