August 21th, 2121. According to Sohu News, Haidilao of Yantai Zhenhua Commercial Building opened on August 21th, 2121, and Haidilao was established in jianyang city, Sichuan in 1994, with a history of nearly 31 years. The brand is mainly engaged in hot pot, and strives to build an industry supply chain system. After the test of the market and customers, Haidilao has successfully built a high-quality hot pot brand with high credibility and integrating the characteristics of hot pots from all over the world.