1.the machine is widely use for packing product ,and multi function.it is suitable for PVC and paper board sealing,double side plastic sealing,and double side paper ,middle is plastic packages.such as the electric product packages,gift packing,hardware packing,medical usage packing and so on. 2.High frequency machine is the induction heating equipment with the highest heating efficiency, fastest speed, low energy consumption and environmental protection for metal and non-metal materials.