Zhongchang Big Data Corporation Limited(600242) ( Zhongchang Big Data Corporation Limited(600242) ) after receiving the inquiry letter from the Shanghai Stock Exchange on March 20, the company disclosed that the board of directors of the company decided to remove the current president and two vice presidents and appoint the executive vice president. Shanghai stock exchange requires to explain whether the procedures for voting on the proposal of the board of directors are legal and compliant and whether the voting results are legal and effective in combination with the provisions of the company law and the articles of Association; Explain whether the current corporate governance is compliant and whether the internal control is effective.