... welding 3,Materials uniform hardness 4,Inside surface smooth Ultrasonic mould industry application: The car industry,Electronic industry,Packaging ... Toy industry,Clothing industry,Medical industry, etc Ultrasonic mould main function:1, ultrasonic mould according to the product shape with different ... , custom-made hot melt system's with.2, ultrasonic mould fuselage compact, take up the space is little, ...