Excellent customer cooperation, a deep team of experts, and reliable and convenient products are all for water quality analysis - faster, simpler, more environmentally friendly, and more comprehensive. Hash Water Quality Analysis Instrument (Shanghai) Co., Ltd. is the headquarters of Hash (HACH) in China. HACH was founded in 1947 and is a trusted provider of water quality analysis solutions. In 1999, Hach Corporation joined the Danaher Group in the United States and is now a first tier subsidiary of the Danaher Group. Danaher Group ranked 162nd on the 2018 Fortune 500 list with a revenue of $18.3 billion and is a diverse team of over 59000 employees. Under its four major platforms: Environment, Diagnostics, Life Sciences, and Product Identification, it has always been committed to global scientific and technological innovation, as well as helping customers tackle complex challenges and improve their quality of life around the world. In the forefront of technology and attractive fields, it also has numerous world-renowned professional brands. As a provider of water quality analysis solutions, HACH has become a strong pillar brand under the Danaher Group. HACH's full range of products includes laboratory analyzers, portable analyzers, online analyzers, water quality automatic samplers, flow meters, etc. We are committed to providing high-quality water quality monitoring solutions for users in various fields such as pure/ultra pure water, drinking water, municipal sewage, industrial wastewater, industrial circulating water, environmental monitoring, and university research. Hash places great emphasis on technological innovation and is committed to providing users with high-precision instruments and expert level services. Currently, the company has strong research and development teams in the Americas, Europe, and Asia. We have obtained up to 527 patents, covering over 130 patent families, and have over 100 hash testing methods recognized by the US EPA. Our LDO fluorescence method for dissolved oxygen determination is a major breakthrough in the field of water quality analysis. The Guardian Blue pipeline water quality monitoring system has also won one of the 100 most important technological research and development new products awards from R&D magazine. HACH has many well-known brands under its umbrella, including GLI American Sigma、Hydrolab、OTT、Radiometer、Lachat、Polymetron、Orbisphere、ELE The factories are located in the United States, Germany, Switzerland, France, and the United Kingdom, and have also established production bases in China. In order to be closer to the Chinese market, better meet the needs of Chinese users, and help more and more domestic users solve the problems they encounter in the field of water quality monitoring, Hash (HACH) has started the localization of its products. While ensuring product quality, it has reduced many complex work processes, allowing more customers to use high-quality products with Hash (HACH) technology. HACH attaches great importance to the needs of Chinese users. Currently, products such as CODmax chromium COD analyzer, 1900C portable turbidity meter, and DR1010 COD analyzer tailored specifically for the Chinese market have been favored by a large number of users for their excellent product technology and quality. Localized production is becoming increasingly convenient for customers, shortening product delivery times and providing convenient and timely after-sales service support.