The specific address is Dongcai Street, Donghai County, Lianyungang City, Jiangsu Province. There is also a newly opened market, Donghai Crystal Jewelry City, diagonally opposite Benning Square in Donghai. And there is a built-in crystal monitor on the market, which can identify true and false crystals. Come to Donghai to buy, and make sure you can buy real crystals. Whether it's original stones or handicrafts, it's natural to have everything. As for the crystals in Shanghai, Guangzhou, Beijing, Sichuan and other places, most of them are made in the East China Sea, and there are also many people from the East China Sea who sell crystals in Shanghai. I have a friend who sells crystals in the crystal market.