On the afternoon of October 28, 2022, the "Display Energy Efficiency Limit Value and energy efficiency grade" (202052552-Q-469) standard LED display part of the energy efficiency grade seminar was held in Huizhou Daya Bay Science Park. Donglu Technology, as a member of the secondary tube Display Application Branch of China Photoelectric Optoelectronics Industry Association, also participated in this meeting through online means.
