Dandong line in tangke town. According to Baidu map, Tangke Jewelry Wholesale Market is located in Dandong Line, Tangke Town, Haifeng County, Shanwei City, Guangdong Province, and its business hours are 9:00- 18:00. Tangke Jewelry Wholesale Market is one of the largest jewelry wholesale markets in China. Covering an area of more than 654.38 million square meters, it has thousands of jewelry processing and wholesalers. It mainly sells gold, platinum, silver ornaments, diamonds, jadeite and other jewelry, and also provides jewelry processing and design services.