Hanoi is selling a brand of rice called ST25 at various price points, with the most popular selling for 30,000 VND per kilogram. The rice, produced by Mr. Ho Quang Cua, is packaged with a triangle logo and the claim of being the world's best rice, which won in 2019. However, due to the product's popularity, counterfeit versions have emerged. The ownership of the 'ST25' cultivar is held by Ho Quang Tri, with Ho Quang Cua and others serving as breeders. The company has the right to propagate, process, and sell the rice under the ST25 name.