Assist clients to choose suitable green building certification system according to market orientation and technical points, such as LEED green building certification awarded by USGBC: Leadership in Energy and Environment Design, or domestic Green Building Innovation award. On the process of project design examination and setting up energy saving strategy, engineers in QiDi Daring will utilize a series of computer simulation technology to carry on a series of analysis. Specifically it includes Ecotect software of carrying out analysis and optimization on indoor lighting environment, sound environment, solar radiation utilization and illumination; eQUEST-energy consumption simulation software of carrying out energy consumption simulation, analyzing hour by hour energy consumption for whole year 8760 hours and undergoing building life circle cost analysis, compare with different energy saving strategy from which to choose the best solving plan; AirPak-building fluent analysis software of simulating indoor air age, airflow state, indoor air quality etc to uplift indoor comfort level and optimize energy performance.