Copper insert is commonly known as copper insert. Copper insert , Mosaic Copper nut Injection molded copper nuts, etc. are a kind of copper fittings embedded in plastic and are widely used in outer plastic shells such as the outer back shells of televisions or computers. According to the installation methods, it is divided into hot melt copper insert, cold pressing copper insert, self-tapping copper insert and injection molding copper insert. The installation methods adopted respectively are ultrasonic hot melt embedding, cold pressing embedding, self-tapping embedding and injection molding embedding.