Where is Yixing purple sand distribution center?

There are mainly the following markets: the exhibition hall of Yixing Zisha Craft Factory (medium and high-grade teapot, expensive); Dingxian Longxi Ceramic Market (store-style retail business, mainly low-grade commodity pots, and a few middle-grade pots, one of LJ pot distribution centers); Dingshan Huafeng Ceramic Market (middle and low-grade commodity pots, retail business); Dingshan Yinjiacun Ceramic Market (mainly low-grade commodity pots, Zisha Miscellaneous Parts Wholesale Center, family-style cluster operation) Dingshan Tang Dou Ceramic Market (store-style retail operation, non-pot-type daily-use ceramics account for a large proportion) China Yixing Ceramic Mall (mainly low-grade commodity pots, with many counterfeit famous works), China Tao Dou Ceramic City (small museum-style cluster operation), Yangxian Mingtao Garden (expensive, medium and high-grade sales department on the first floor), Ge The price shows and sells famous masterpieces) Fiona Fang's rhyme (Yixing Zisha Craft Factory is rich in variety, has wholesale and retail operations, and there are many potential rookies, and the price is slightly more expensive than the professional market) Zisha Street in Jiefang West Road, Dingshan (storefront operation, mixed quality) Changle Tao Zhuang Sales Department (Changle Tao Zhuang, clearly priced without bargaining, visiting Changle Tao Zhuang) Jinyong Street (Yixing Shanjuan Scenic Area, one of the distribution centers of LJ pots in Jinyong Street) Taobao physical store (highly dispersed), Relatively concentrated in Yixing city and Dingshan, they often ask exorbitant prices in the name of well-known purple sand artists) Jia Fan Hucun (with rich varieties, mainly middle-grade, high-grade and bargaining) Yixing Huashi Zisha Workshop (Tao Zhuang, private, specializing in various kiln-changing Zisha pots and spring-offering series pots, bargaining) Yixing ceramics museum surrounding workshops (customized, sold).