According to lawyer Liu Yang's disclosure, the work was specifically completed by a wholly-owned subsidiary, Beijing Zhongtianfeng Security Protection Technology Co., Ltd., which cooperates with Zhongtianfeng Company to dispose of the China CITIC Bank system. Zhongtianfeng Company and China CITIC Bank have jointly developed the "Virtual Currency Disposal Backflow Clearing System", which has been deployed and launched on the public security intranet and has been reported to the People's Bank of China and the State Administration of Foreign Exchange for approval.