... (APET, PETG, GAG), polyvinyl chloride (PVC)-based plastic welding, welding, stamping and so on. Plastic packaging (including heat trimming ... , mobile phone cleaner, such as heating pads heat welding process with a cutting edge, concave and convex shapes of various ... patterns, letters, text of repression. Fitted with a simple device can also be bronzing process. ultrasonic welding machine