Enamel jewelry is carefully manufactured using glaze and gold, silver, copper and other precious metals. The processing technologies refer to multidisciplinary knowledge, such as painting, engraving, padding, inlaying, metallurgy and glass melting. The history of enamel was reviewed and the current challenges of enamel jewelry industry were investigated. The key challenges of the enamel jewelry industry are listed as follows: the counterfeit products dominate the enamel market, high performance enamel glaze is currently unviable, the industry standards have not been proposed, and the manufacturing technique is too complicated to be implemented by machine at this stage.
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