Qingdao Huanrui Automation Technology Co., Ltd., established in 2009, has been dedicated to the research and development of dust monitoring equipment and the implementation of integrated systems. With a commitment to continuous innovation and iteration, the company has steadily grown through years of project experience. Its main products include pipeline-type dust detectors, insertion-type dust detectors, space dust detectors, and coal powder blockage detection instruments. The company also provides comprehensive system solutions such as intelligent control systems for dust collectors, online unblocking systems for coal powder pipelines, intelligent blast furnace injection systems, and complete solutions related to side-discharge injection technology. The company has established a research and development team with hands-on field project experience. Leveraging mature technologies and industry-specific requirements, it independently develops a series of products tailored to various operating conditions. These devices are used for dust emission monitoring, helping projects meet current environmental emission standards through effective dust control. Over the years, the company's products have supported numerous steel projects in China, and through cooperative distributors, it has expanded into overseas markets across multiple regions, maintaining stable partnerships with customers worldwide. The company organizes its production and operations in accordance with the ISO9001 quality management system standards, adhering to the business philosophy of "customer first, quality assurance, scientific management, and excellent service." Relying on systematic control, we develop products tailored to project requirements, while simultaneously providing customized technical integration and comprehensive after-sales technical support to our partners. We look forward to supporting our cooperative enterprises in achieving stable production and steady growth through our mature products and supporting services.