Arm Strong was invited to participate in the 2019 Indoor Air Quality Purification Expo on 2019/1/24, and was responsible for the industry practice forum speech. The air quality professional testing equipment was exhibited on site, and the Expo was a complete success.
Thanks to the former Director of Environmental Protection, Shen Shihong, and the Chairman of the Testing Association, Jiang Xiaolong, the Chief of the Environmental Protection Department of the Environmental Protection Department and Professor Hong Mingrui.