Qingdao Huanrui Automation Technology Co., Ltd. was established in 2009, specializing in the research and development, production, and sales of dust monitoring, environmental monitoring, and intelligent system engineering. Since its establishment, the company has been focusing on the research and development, production, and implementation of sensors, instruments, and software and hardware application systems in the field of environmental monitoring. It has more than ten series of products with independent intellectual property rights and has obtained multiple certificates such as *, *, and membership units of the Environmental Protection Industry Association. On the basis of summarizing the experience in the fields of self-control and sensors, the company has integrated today's industrial computer technology and achieved remarkable performance in dust monitoring, environmental monitoring, and intelligent system transformation of blast furnaces, becoming a brand with strong influence in the industry. Looking ahead to the future, Qingdao Huanrui will deepen its development as a technology innovation enterprise in the field of environmental monitoring, providing more high-quality products for society, industry, and users.