Looking back on 2021, what did you gain? Looking forward to 2022, what goals have you set? Give the first data package of the new year to the engineer 1200 + summary of the full set of technical disclosure of the project, including: 54 sets of technical disclosure templates, 146 sets of construction engineering technical disclosure, 166 sets of safety technical disclosure summary of CSCEC, 180 sets of records of construction engineering technical disclosure, the latest safety technology, and more than 500 sets of technical disclosure and safety disclosure data collection methods of construction engineering and installation engineering.