The southern part of Ding'an is an ideal place for selenium-enriched rice. Because the local rice is planted in selenium-enriched soil, extracting the essence of the earth, selenium is involved in the whole process of rice starch and protein synthesis and operation. Compared with the selenium content of the external selenium fertilizer, the Dingan rice has natural selenium. The traits are much more efficient and safe to be absorbed by the body. Long-term use of selenium-enriched rice can resist oxidation, anti-aging, protect and repair nutrient cells, improve oxygen carrying capacity of red blood cells, protect cell membrane integrity, detoxification, detoxification, anti-pollution, prevent cancer, and improve human immune function.

Suichang Black Pig is produced in Suichang County, Hainan Province. The female parent of Suichang Black Pig is the Suichang pig which is listed as the three major pig breeds in Hainan with Linao suckling pig and Wenchang pig. Suichang black pig has the advantages of strong fertility, strong adaptability, strong disease resistance, early maturity, rough feeding resistance and good meat quality. It has a high recognition in Hainan market and is sold well in Haikou, Sanya and Qionghai. Qiongzhong, Baisha and other cities and counties.