Du Yao Road, Zhangshu City, Yichun City, Jiangxi Province. According to Baidu map, Zhangshu Jewelry Appraisal Center is located in Du Yao Road, Zhangshu City, Yichun City, Jiangxi Province. With the development of social economy, the concept of jewelry should be extended to include gold, silver and jewelry besides natural gems and artificial products. The industries involved in these terms are collectively referred to as "jewelry industry". The scope of "jewelry" is much larger than that of "gem" in a broad sense. Gems in a broad sense generally refer to those raw materials suitable for polishing or carving into jewelry or handicrafts.