On February 28, 2011, European Environmental Simulation Technology (Hong Kong) Co., Ltd. (EST) held a press conference on the Euro V emission particle weighing box at the National Convention Center in Beijing. Experts from Dongfeng Motor Corporation Technology Center, Beijing Foton Technology Center, China Automotive Engineering Research Institute, Jinan Automotive Testing Center, National Agricultural Machinery Quality Supervision and Inspection Center, China Automotive Technology Research Center, China Academy of Environmental Sciences, Ministry of Transport Highway Science Research Institute, HORIBA and other units attended the press conference.

At the press conference, EST company introduced the research and development process and technical performance of the Euro V emission particle weighing box to the attendees. The Euro V emission particle weighing box produced by EST company has reached the world's advanced level, using self-developed software to accurately control temperature, humidity, and dew point in segments, while also having earthquake resistance and static electricity removal functions. The requirement for low wind speed fills the technical gap in China. EST company showcased a Euro V emission particle weighing box on site and displayed the acceptance process parameter record data, which received unanimous praise from experts and professionals present and valuable feedback.