On March 8, China Tower announced its 2020 results. The financial report shows that in 2020, the overall revenue of China Tower will maintain a steady growth, profitability will continue to increase, and the financial level will remain stable: the annual operating income was 81.099 billion yuan, a year-on-year increase of 6.1%; EBITDA reached 59.527 billion yuan, and the EBITDA ratio was 73.4%; The net profit was 6.428 billion yuan, a year-on-year increase of 23.1%, and the net profit margin was 7.9%. How would you do this? Are you optimistic about the future development of China Tower?