It’s Jiangsu.
Rongxue Rice is the "Chongming Island Fragrant Rice" produced by Rongxue Company. It is not produced in Chongming Island but from Jiangsu. The word "Chongming Island" is not a place name, but a brand.
Chongming rice is very popular in the market due to its fragrant and glutinous taste and excellent quality. It has a high reputation in Shanghai and surrounding areas. The People's Government of Chongming District held a world-class ecological island agricultural brand strategy conference and announced that the unified logo of Chongming's regional public brand of agricultural products will be the "landscape" logo, benchmarking against "world-class" standards, starting with "green as the background color, 'two The regional public brand of agricultural products with the characteristics of "non-chemical" strives to build Chongming agricultural products into the most ecological and safest high-quality agricultural products in Shanghai, making the regional public brand a unique business card of a world-class ecological island. Therefore, if you look for the "山水" logo, you can also buy high-quality rice that is truly produced in Chongming.