"Light and Shadow +" refers to the application system of the light, shadow and object display technology developed by Diheng Technology Co., Ltd. (Diheng China). It integrates functions such as stereoscopic projection, cloud data, and audio-visual interaction. At present, with the support of light, shadow and object display technologies such as immersive and interactive technologies combined with content customization, "Light and Shadow +" has been widely applied in traditional industries, such as the catering industry, the tourism industry, the exhibition industry, etc. Main functions of "Light and Shadow +": - Brand promotion - Cultural presentation - Creating the "internet-famous effect" - Gaining traffic - Changing the current situation of traditional industries - Activating the local "night economy" (in the tourism industry) In the era of light, shadow and object display 2.0, based on immersive and interactive technologies, it promotes the integration of light and shadow technologies with traditional industries, creating value for users. With the continuous development and changes in the "Light and Shadow +" era, the "Light and Shadow +" technology will become a new engine for the new generation of the real economy. On June 29, 2022, Diheng China put forward the concept of "Light and Shadow +". "Light and Shadow +" refers to promoting the integration of light and shadow technologies with traditional industries through immersive technologies, interactive technologies combined with content customization, etc., so as to carry out interesting brand promotion, cultural presentation, etc. for various industries. With the continuous development and changes of "Light and Shadow +", in the future, the "Light and Shadow +" technology will eventually become a new engine for the new generation of the real economy. At present, the "Light and Shadow +" of Diheng China has penetrated into the applications of 43 industries.