Guoxing Optoelectronics expands the industrial chain strategic layout 50 million capital increase Xu Rui photoelectric 2024-03-21
Anhui energy-saving lamp quality monitoring industrial and commercial check 8 batches of energy-saving lamps failed 2024-03-21
Guangdong Province 21 LED standard optical component technical specifications officially announced 2024-03-21
Ningbo Hangzhou Bay New District, a total investment of 250 million yuan LED project investment 2024-03-19