At the end of 2009, Sida obtained a contract for a major environmental test equipment project with a total amount of 22.8 million yuan for the “temperature and humidity pressure test cabin and control system”. The total workroom volume of the project is 1400m3, which is a comprehensive laboratory for temperature, humidity and pressure. The volume of the project studio is currently the largest in China, and the technical difficulty is rare in China. There are many technological innovation points, which are of great significance to China's national economy and national defense. At present, the project has been officially implemented.