Copper tube end sealing machine adopt the ultrasonic welding theory. ... of mutual melting.7, the metal tube end sealing, cutting can be water, gas-tight.FEATURES ... machines, ultrosonic welding machines and non-standard machine for more than 10 years.Provided with high ... Foshan, Xiang Wang Optical Group (VANGUARD), etc. Plastic machine and welding mould made according to your specific requirements. ...