Qingdao Dasen Environmental Protection Equipment Co., Ltd. is a domestic MRO supplier and a comprehensive environmental protection service enterprise dedicated to the development of the environmental protection instrument and equipment market, integrating sales, operation, and maintenance. The company's main products include water quality detection instruments, dust detection instruments, gas detection instruments, atmospheric dust samplers, chemical experiment general instruments, COD analyzers, dust detectors, infrared oil detectors, indoor air detection instruments, etc. Among them, gas detection instruments include formaldehyde, carbon monoxide, carbon dioxide, oxygen, nitrogen, toxic and harmful gas detection instruments. Customers are spread throughout the country, and the business involves many fields such as automobiles, shipbuilding, boiler manufacturing, aviation, petroleum, steel, coal, municipal engineering, construction, etc. Brands include Huarui VOC detector from the United States, BW from Canada, Industrial Scientific from the United States, Kane from the United Kingdom, Delger from Germany, GX-8000 gas detector from Riken from Japan, and Taishi from Taiwan. In the process of development, the enterprise continuously exchanges and cooperates with multiple domestic research institutions, rapidly improves its maintenance, debugging, and product after-sales capabilities, and continuously expands its scale. At the same time, by making full use of the advantages of the Internet, the company can not only provide users with the opportunity to choose widely fan products and obtain the products they need, but also use domestic instruments, meters and facilities that are affordable, reliable, stable in use and meet quality standards; At present, our company provides technology information to users quickly. At the same time, we also recommend many domestic instrument and meter manufacturers to our customers and have agency agreements with them. Distributors and branches throughout the country; We provide a variety of instruments, maintenance products, and services for various industries such as environmental protection, safety production, healthcare, education and research, and petrochemicals. Gas detection: including VOC, formaldehyde, carbon monoxide, carbon dioxide, oxygen, nitrogen, various toxic and harmful gases, and smoke detection instruments; Brands include Huarui from the United States, Delger from Germany, BW from Canada, New Universe from Japan, Riken from Japan, Industrial Scientific from the United States, and Mesian from the United States. Water quality testing: including water quality samplers, COD、BOD、 Instruments for detecting ammonia nitrogen, total phosphorus, and multiple parameters. Dust detection: PM10/PM2.5 dust monitoring, industrial and mining dust monitoring, atmospheric dust sampler, smoke and dust sampler, dust particle counter, etc. Other environmental safety categories: including various occupational labor safety and health supporting equipment.