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.

The function and role of signage. First: signage has the function of marking (SIGN), signage is mainly through the visual to show its role, for example, the text conveys, the mark is with symbolic, directional, suggestive and so on. The text style can show the character, background. Shape and mark t

Light-storing luminous material is a kind of material that can be stored after receiving light source irradiation and can continue to glow for a period of time without light source irradiation. This material has already appeared in ancient times, known as the luminous pearl, luminous cup is a kind of light storage luminous material.