The stock belongs to A shares of Bo Yan Science and Technology Co., Ltd.; Securities: A shares on the main board of Shenzhen Stock Exchange; Industries belonging to Cai Dong: Internet services; Industry of China Securities Regulatory Commission: information transmission, software and information technology services-software and information technology services.

1. Bo Yan Science and Technology Co., Ltd. (listed on Shenzhen Stock Exchange, stock code 002649) is a global IT consulting, product, solution and service provider. Founded in 1995, the company is headquartered in Beijing, China, with more than 40 branches and R&D centers. In China, the United States, Japan, India, Singapore, Malaysia and Spain and other seven countries with bases or distribution centers. Relying on its strong R&D strength and innovative ability, Bo Yan Science and Technology has widely adopted emerging technologies based on big data, artificial intelligence, Internet of Things and mobile Internet, providing rich solutions and products for customers in financial, high-tech, Internet, real estate, automobile, retail and other industries.

2. Bo Yan Science and Technology follows strict quality and safety standards, implements strict safety measures, has a mature and reliable management and development process, and has obtained a series of qualification certificates such as CMMI3, ISO20000, ISO900 1 and ISO2700 1. With years of industry accumulation, profound professional knowledge and mature industry practice, international elite team and perfect talent management, perfect global delivery and service network, and ubiquitous innovative spirit and practice, we will help global customers enjoy the excellent operation brought by scientific and technological innovation and continuously create key value for customers.

3. Bo Yan Science and Technology widely adopts technologies based on the Internet of Things, big data, artificial intelligence and cloud computing, follows strict quality and safety standards, implements strict safety measures, and has a mature and reliable management and development process. It has obtained a series of qualification certificates, such as China's largest Belt and Road Initiative, China 100 enterprise, China's leading big data enterprise, the best products in information industry, the best products in China banking industry, and financial innovation products. China's leading enterprises in software and information services, China's top ten most influential enterprises in software industry's excellent solutions and intelligent data ecology, China's top 100 enterprises, China's top 100 enterprises, China's leading data industry, industry and financial innovation products, and China's software and information services. And other titles and awards.