Since August this year, the Shenzhen Stock Exchange A-share listed company (002822.SZ) announced the beginning of the layout of the blockchain field. Although the news has been released for two months, the blockchain company of China Construction (002822.SZ) remains No substantial progress has been made, but its secondary market share price has continued to rise. On September 24, Tianfeng Securities conducted a risk warning on the medium-sized construction (002822.SZ) in the research report: the company's project payment was not up to expectations, and some downstream government customers and real estate customers experienced excessive liquidity risk; The speed of the blockchain business was not up to expectations, and the relevant blockchain technology did not reach the application effect, and the subsequent promotion effect was lower than expected. In this regard, the chain of financial contacts several times in the construction of relevant personnel to verify, but as of the time of publication, still has not received a reply. China Construction announced the performance forecast for the first three quarters of 2019. According to the announcement, China Construction expects its net profit attributable to shareholders of listed companies in the first three quarters of 2019 to be approximately 219 million yuan to 246 million yuan, an increase over the same period of the previous year. : 65%-85%.