1) Appraisal and evaluation institution: Guangdong workstation of the Art Appraisal and Evaluation Committee of the Art Service Center of the Ministry of Culture.
2) Insurance institution: China Pacific Insurance (Group) Co., Ltd.
3) Law firm: Guo Hao Law Group.
4) Banks: HSBC, Bank of China (Hongkong) and Industrial and Commercial Bank of China (Asia).