On the morning of May 22, the environmental monitoring technology specialty of Qingdao Vocational School of Finance and economics held an equipment assistance ceremony. Yu Lingyi, vice chairman of laoyinghaina group, and Liang Zheng, president attended the ceremony, and Liang Zheng delivered a speech on behalf of the group.
- 2021.11.11 Laoyinghaina group won the Qingdao standardization pilot project Recently, Qingdao Municipal Bureau of market supervision and administration has issued a municipal standardization pilot demonstration project in 2021.
- 2021.05.19 Deputy secretary of the Qingdao Municipal Party Committee, Mayor Zhao Haozhi led a team to visit Laoying Haina Group From May 16, the on-site observation meeting of "project landing year" in Qingdao opened. Led by Zhao Haozhi, deputy secretary of Qingdao municipal Party committee and mayor, an observation group composed of municipal leaders and heads of various districts, cities, functional areas and relevant departments observed 30 key projects in 10 districts, cities and 4 functional areas of the city.
- 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.