Plastic plating is widely used in many industries like automotive decorative pieces industry, mobile phones decorative pieces industry and signs industry. With the expansion of engineering plastics, the scope of plastic plating is also expanding. It mainly apply to the ABS/pc plastic plating products. First of all, in the plastic substrate surface, we use a specific method to obtain a metal layer that has both plastic and metal advantages, that is, plastic and metal, and then we go on conventional plating. Metal-plastic overcome many flaws. It has a good solvent resistance, corrosion resistance, wear resistance, light resistance, internal conductivity properties, a good appearance of metal, coating hardness and so on