Zhengzhou Guan'ao Instrument Co., Ltd. is a technology oriented company specializing in research and development, production and sales of portable water quality detectors, water quality online analyzers, water quality online detection sensors, pure water machines, and other products. The company has always been committed to high-end design, innovative integration, independent research and development, and managed operation and maintenance in the water quality testing and monitoring industry. Through independent innovation, the company has successfully developed a variety of water quality rapid detection instruments, online water quality analyzers, online water quality detection sensors, and pure water machines. The company is committed to the overall design, independent research and development, and managed operation and maintenance of the water quality testing and monitoring industry, all of which are affordable. Through the company's independent innovation, portable and handheld multi-parameter water quality detection (analysis) equipment has improved its process, and all equipment prices have been greatly discounted compared to before, selling well throughout the country and in Europe, Southeast Asia, Africa and other places. Guan'ao Instrument is located in Zhengzhou High tech Industrial Development Zone and is a high-tech enterprise with AAA level credit in the industry. It has passed the GB/T19001:2016 Quality Management System Certification, GB/T24001:2016 Environmental Management System Certification, and GB/T45001:2020 Occupational Health and Safety Management System Certification. It has multiple certificates and has passed the testing of Henan Electronic Information Product Quality Supervision and Inspection Institute, and has issued relevant inspection reports, We provide customers with analytical and testing technology solutions with strong research and development capabilities, excellent product quality, and comprehensive after-sales service. We have excellent analytical instrument production technology and overall water quality monitoring solutions. We have a well-established operational team that can provide customers with pre-sales consulting, after-sales technical support, and customized development services. Years of experience in water quality analysis, a nationwide marketing network, well-known instrument manufacturers in the domestic water quality testing instruments, water quality analysis instruments, laboratory pure water machines, and other industries, as well as high-quality after-sales service guarantee, are all the reasons why you choose our Guan'ao instruments.