There are about 83.

Sanquan Food, as the pioneer and leader of the quick-frozen food industry in China, was founded in 1992, and is now the largest quick-frozen food manufacturer in China. In the history of development, the company has created more than 30 domestic firsts, and its founder, Chen Zemin, is recognized as the pioneer of quick-frozen food in China, and was selected as one of the "Top 100 Outstanding Private Entrepreneurs in the 40 Years of Reform and Opening-up" by the United Front Work Department of the Central Committee and the All-China Federation of Industry and Commerce on October 20 18. Sanquan has built a nationwide marketing network, and its market share has reached more than 30% for many years, ranking first in the industry. Sanquan was listed on the Shenzhen Stock Exchange in February 2008, becoming the first listed company in the frozen food industry in China.