Yes. In 2019, Chongming Island applied for the Chongming Rice Geographical Indication Certification Trademark. The rice that consumers buy with the Chongming Rice trademark in shopping malls is authentic. Chongming District, under the jurisdiction of Shanghai City, is located at the estuary of the Yangtze River. The terrain is flat and consists of three islands: Chongming, Changxing and Hengsha, with a total area of ??1,413 square kilometers. Chongming Island is the largest estuary alluvial island in the world, after Taiwan Island. , China’s third largest island after Hainan Island.