Enamel jewelry . Enamel is also called enamel, the English name is "enamel", it is commonly known as "burning green"
in Guangdong, China, "burning blue" in Beijing, and "qi bao burning" in Japan. Enamel is mainly divided into three types: painted
enamel, filled enamel, and cloisonné enamel. Enamel jewelry is very colorful, with gem-like luster and texture, corrosion
resistance, abrasion resistance, high temperature resistance, waterproof and moisture-proof, hard and solid, not aging and
deteriorating, and will not fade or lose gloss after thousands of years.