According to the query of Romantic Sharing Network, there are seven pearl wholesale markets in Shanghai, namely Haihongqiao International Pearl City, Shanghai International Jewelry City, Shanghai Yada Pearl Market, Shanghai Zijin City Jewelry Trading Center, Shanghai Huahang Silver Jewelry Wholesale Center, Shanghai Kimberly Diamond Industrial Park and Shanghai Chenghuang Temple Crystal Street. Shanghai Old Town God Temple is the largest temple in China, the only temple in southern China, and a national key cultural relic protection unit.