Article 1028 of the "Fire Code for Building Design" stipulates that the evacuation aisles and main evacuation routes of the dance and entertainment venues, underground stores and the ground or the wall near the ground should be set up with luminous evacuation signs. The design of high-rise civil bui

China's deposits of rare earth materials account for more than 80% of the world, and Deng Xiaoping, China's chief designer, once said, "The Middle East has oil, China has rare earths." Rare earth ore is a strategic resource for China. Therefore, nano rare earth materials are the future development direction of our business.

China's deposits of rare earth materials account for more than 80% of the world, and Deng Xiaoping, China's chief designer, once said, "The Middle East has oil, China has rare earths." Rare earth ore is a strategic resource for China. Therefore, nano rare earth materials are the future development direction of our business.

In our daily life, people find that adding luminescent pigments to injection molding products can make them glow in the dark. In the early days, the production technology was not mature, and the finished products would have a high chance of blackening.