1. Enamel, also known as "Folang" and "Flange", was transliterated from the ancient western place names in China during the Sui and Tang Dynasties. Enamel ware is an object decorated with enamel. Its basic components are timely, feldspar, borax and fluoride, and it belongs to silicate substances like ceramic glaze, colored glass and glass. According to the different processing technology, it can be divided into cloisonne enamel, enamel enamel, painting enamel and transparent enamel.

2. Enamel is a composite handicraft product obtained by applying ground enamel glaze to the surface of metal products made by metal processing technology and drying, firing and other production steps. There are many classifications for the production of enamel technology, which are generally classified according to the production method and the type of tire land. According to the different processing technology, enamel can be divided into several varieties, such as cloisonne enamel, enamel enamel, painting enamel and transparent enamel. Cloisonne is commonly known as cloisonne, especially the cloisonne products of Ming Dynasty in the middle of15th century, so it is called cloisonne.

3. In Qing Dynasty, western enamel was introduced into China from Guangzhou. Enamel produced in Guangzhou, commonly known as "Guang Enamel", is a tribute of the imperial court, the most famous of which is painted enamel. The production center of enamel is also in Guangzhou, and transparent enamel is also the most famous in Guangzhou.