Beijing Guohuan High tech Automation Technology Research Institute is a high-tech research institute specializing in the production and development of laboratory sample pretreatment equipment. Among them, the fully automatic flip type extractor, multi link stainless steel solution filter, and anti bubble jet extractor are all national patented products and the first of their kind in China. The unit has been committed to the research and production of new products, and has launched a series of high-tech and high-quality products such as various oscillators, integrated intelligent distillers, infrared oil detectors, microwave digesters, soil drying ovens, glassware cleaning machines, high chlorine wastewater COD digesters (patented products), ultrasonic cleaning machines, etc. The product has been recognized by a wide range of customers, including the China Academy of Environmental Sciences, China Environmental Monitoring Station, environmental monitoring stations in various provinces, cities, and counties, Tsinghua University, Peking University, PONY Testing Group, and others. Our unwavering philosophy is to provide products with reliable quality and high cost-effectiveness. We will take customer satisfaction as our pursuit.