Beijing Dehe Heng (Haikou) Law Firm, a strategic partner in the global capital market, is a comprehensive professional legal service institution established by Beijing Dehe Heng Law Firm in Hainan Province approved by the Hainan Provincial Department of Justice. It is one of the largest legal service institutions in China and one of the law firms with the highest concentration of outstanding lawyers in China. In 2017, he was ranked 7th in the "Top 100 Law Firms in the Asia-Pacific Region" by the lawyer, a famous British legal magazine, and ranked in the Top 50 law firms in the Asia-Pacific region by the Asian Law Journal for many consecutive years.

On July 13, 2020, Souxi Stock officially signed a global capital market strategic cooperation agreement with Beijing Dehe Heng (Haikou) Law firm. Since then, Dehe Heng Law firm began to provide professional and efficient legal services for the search shares. The hired team from Beijing Deheheng (Haikou) Law firm will continue to carry out effective legal risk prevention mechanism construction and legal risk management for the company, vigorously strengthen corporate legal risk prevention measures, carry out various work for the group's share reform, governance structure optimization, financing and investment, market development, and escort the development of Soo in the global capital market.