On June 5, Qingdao Municipal Bureau of ecological environment held a ceremonious home commemoration of the environment day of the sixth five year plan in Chengyang District. Relevant leaders from the Municipal People's Congress, the municipal CPPCC Committee, the Municipal Office of civilization, the Municipal Committee of the Communist Youth League, the Municipal Women's Federation, the Municipal Education Bureau, the Qingdao Municipal Committee of the agricultural labor party, the Municipal Association for national unity and progress, the Chengyang District government, as well as representatives of environmental protection volunteers from enterprises, communities and schools participated in the on-site activities.
- 2020.10.20 Laoying optical module made its debut in China (Shanghai) International sensor technology and Application Exhibition for the first time From September 23 to 25, "China (Shanghai) International sensor technology and Application Exhibition" opened in Shanghai International Procurement Exhibition Center, and laoyinghaina group made its debut in sensor field platform with optical sensing series products.
- 2020.07.31 Qingdao Institute of Metrology Technology signed a strategic cooperation agreement with laoyinghaina group In order to actively participate in the construction of national industrial measurement and testing system and promote the technological progress, transformation and upgrading of environmental monitoring instrument industry, Qingdao Institute of Metrology Technology and Qingdao laoyinghaina photoelectric Environmental Protection Group Co., Ltd. signed a strategic cooperation agreement on July
- 2020.07.29 Laoying Haina Group held the city's environmental education base to create live visit meeting Laoying Haina Group held the city's environmental education base to create live visit meeting