... ,stationery and signboards processing. High frequency plastic welding machine Spur with the deep accumulation, on the basis of ... in 2005,Nekon developed ultrasonic non-woven bag forming machine initiatively; two years later, Nekon produced ultrasonic numerically ... the coming days.Features of high-frequency shoes upper embossing machine:1.Oil hydraulic,high-frequency,synchronous fusion2.Avoiding ...