... edge to smooth and beauty, Glueing unit with buffer function of front and back,Compressing unit: that can be adjusted pressure,all ... noise, 3,Buffer function in front and back of glueing and trimming function, 4,Preheating function in front of glueing 5,High precisionD, ... variable frequency and low noise, 3,Buffer function in front and back of glueing and trimming function, 4,Preheating function in ...