Hash Corporation (HACH) was founded in 1947 and is a 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 is a company listed on the New York Stock Exchange in the United States, with six major strategic platforms including Environment, Hand Tools, Motion Control, Medical, Product Identification, and Electronic Testing. In 2008, its sales exceeded $12 billion. Hash Company, as a supplier of water quality analysis instruments, has become a strong pillar brand under Danaher Group.

Hash Corporation (HACH) owns many *, 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.

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 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. We place great emphasis on technological innovation and are committed to providing users with high-quality instruments and services. Currently, the company has research and development teams in the Americas, Europe, and Asia. We have obtained up to 527 items, covering over 130 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 the R&D magazine's award for 100 important technological research and development new products.

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 Company has started the localization of its products. While ensuring product quality, it has reduced many complex work processes, so that more customers can use Hash Company's high-quality products. Hash Company attaches great importance to the needs of Chinese users. Currently, products such as CODmax chromium method COD analyzer, 1900C portable turbidity meter, and DR1010 COD analyzer tailored for the Chinese market have been favored by a large number of users for their product technology and high quality. Localized production is becoming increasingly convenient for customers, shortening product delivery times and providing convenient and timely after-sales service support.

Hash Corporation established the Beijing representative office of Hash Corporation in 2002 and continuously increased its investment in China. In 2012, Hash Water Quality Analysis Instrument (Shanghai) Co., Ltd. was established in Shanghai, China as its headquarters in China.