On August 9th, Glon Hui reported that Shenzhen Chengtian Weiye Technology (300689.SZ) is a high-tech enterprise that is internationally leading in the research and development, production, sales, and services of smart cards and special chips. It is an integrated service provider that combines software research and development, engineering design, system integration, and manufacturing. In recent years, the company has actively grasped the development direction of the industry and technology, and closely monitored the new technologies, new markets, and new scenarios of the company's products in the forefront fields of 5G, Internet of Things, big data, artificial intelligence, and automotive electronics. The company's business does not directly involve the research and development or production of fiber-optic communication technology.