... frequency and low noise, 3,Buffer function in front and back of glueing and trimming function, 4,Preheating function in front ... frequency and low noise, 3,Buffer function in front and back of glueing and trimming function, 4,Preheating function in front ... ,Rail of feeding panel using stainless with hardeningF ,Vacuum membrane press machine1,Stable and beautful frame body2,Arrange heating tube evenly ...