Hard enamel metal product is the ceiling of producing badges. There are rather few factories persisting in this old process. Unlike the other processes, color infilling is the ahead of the plating. The color is baked under more than 800 degree temperature. The material is copper as it could withstand rather high temperature, Because of this special treatment, the hard enamel products could withstand the terrible outside weather. The car badges usually choose the hard enamel process. Due to the complicated process, the price is much higher than the other processes. Wearing the hard enamel badges are the embodiment of dignity.