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_{Zhengzhou Shenglong Information Technology Co., Ltd. (stock code: 831361), founded in 1998, is one of the earliest high-tech enterprises in the world engaged in the design, production and installation of LED display systems. The company adheres to the concept of creative R&D design and is committed to the research and development of technical products in the field of special displays. It is an advocate and pioneer of new display technologies in China.}

_{Zhengzhou Shenglong Information Technology Co., Ltd. has a technical team with doctoral supervisors, master supervisors and senior engineers as the core. The technical staff have decades of R&D experience. Many of them have participated in the compilation of the textbook "Optoelectronic Display Technology and Application" for Chinese universities. Team members have participated in the construction of major projects such as the Chinese government's countdown board for the return of Hong Kong to the world-renowned Tiananmen Square, the largest screen in Asia, and the Sydney Olympics.}

_{Zhengzhou Shenglong Information Technology Co., Ltd. has successively passed ISO quality system, national standard quality system, information security management system, intellectual property management system, as well as US FCC certification, EU CE, EU RoHS and other certifications; It has more than 70 patents and software copyrights, and has established the "Henan Intelligent Control and Aviation Information Technology Engineering Technology Research Center" and "Zhengzhou Information Security Protection Display System Engineering Technology Research Center" scientific research platforms recognized by the government; Won nearly 100 qualifications and honors such as "Specialized and New", "Top 50 Electronic Information Enterprises", "National 100 Quality and Integrity Enterprises", "National VR Industry Quality Leading Enterprise", "Science and Technology Innovation Award", and "Excellent Technology Award"}

_{In 2003, Shenglong Co., Ltd. successfully developed a sub-outdoor display system, which reduced the cost of conventional outdoor display screens by more than half and quickly became popular throughout the country; In 2010, the first domestic macro rear projection based on LED light source was successfully developed and patented, effectively solving the moiré problem caused by camera shooting of studio and stage background screens, and creating a new display technology field; In 2013, a series of three-dimensional display products based on LED light source were successfully developed and patented, solving the problem of lack of 3D large-screen display equipment in domestic 3D teaching. It was listed as a recommended product for 3D classroom solutions in the "3D Education Research Blue Book" of the Ministry of Education, and has been widely used in many primary and secondary schools, colleges and universities, and research institutes across the country; Based on the needs of confidentiality system customers, Shenglong Co., Ltd. took the lead in developing the "Information Security Display System" in 2020, filling the gap in the field of information security display in China.}