Huihuan Technology, founded in Shanghai in 1993, has a production base located in the National Economic and Technological Development Zone of Nantong City, with a self owned office building of over 10000 square meters. It focuses on the production of environmental monitoring equipment and the customization of smart environmental protection software platforms. Relying on software technologies such as big data, cloud computing, and the Internet of Things, it has built a "device+cloud" product system, providing complete solutions for real-time monitoring, decision analysis, and intelligent management of the ecological environment. As a pioneer in the domestic environmental monitoring instrument market, Huihuan Technology adheres to the path of independent innovation. The company has formed a rich product line of ecological environment monitoring systems, covering more than 20 types of water quality online automatic monitoring systems, micro water quality automatic monitoring stations, micro air automatic monitoring stations, continuous emission automatic monitoring systems for flue gas, volatile organic compounds (VOCs) automatic monitoring systems, hazardous waste storage management systems, process control systems, quality control systems, and data transmission systems. Among them, there are 12 national environmental certification products, 16 high-tech products, 30 software products, and over 100 invention patents and copyrights. As a leading environmental data service provider in China, we have established and maturely operated a series of smart environment comprehensive solutions, smart park comprehensive solutions, and smart platform products, including pollution source full process supervision, ecological environment monitoring and early warning, solid waste (hazardous waste) full process electronic supervision, ecological environment supervision and law enforcement, environmental accident emergency command, pollution diffusion tracing, environmental comprehensive business, ecological environment big data center, and other platforms to achieve scientific, accurate, and convenient management of environmental big data. The software maturity model has achieved the highest level of CMMI5. The company has always adhered to the concept of "service builds brand", established a sound after-sales service system and supervision management system, set up a 7-day 24-hour free customer service hotline, and has after-sales service centers or cooperative agents in more than 30 provinces and cities across the country, fully ensuring that users enjoy fast and worry free pre-sales and after-sales services. Hui Environmental Protection, Blue China! I hope that through the continuous efforts of Huihuan people, we can make the sky bluer and the water cleaner, and contribute our modest efforts to China's environmental protection cause!