Composite machine is a process of bonding two or more layers of materials together using adhesive or heating calender to give new functions to existing materials. Thin films and aluminum foils, PTFE film, TPU film, PU film, fibres, paper, non-woven fabrics, etc. are often used in composite machines. It can also be compounded with film, sponge, fabric, and other materials. Kuntai designs and manufactureres various versatile composite machines.