Shandong Green Kairui Precision Instrument Co., Ltd. is a domestic water quality analysis instrument research and development and manufacturing company, with the honorary title of "High tech Enterprise". It focuses on the research and development, production, and sales of laboratory water quality analysis instruments, online water quality monitoring, field water quality detection, and intelligent water quality detection systems, and is committed to providing better solutions for domestic water quality analysis< The production factory is located in Jiuwei Industrial Park, Heze High tech Zone, Shandong, with an area of 4000 square meters and approximately 60 employees. Since its establishment, it has established branches in Shanghai, Jiangsu, Shaanxi, and Guangdong; Establishing Green offices in Jilin, Henan, Zhejiang, and other places can conveniently provide technical guidance and after-sales services to users in surrounding areas< The Green R&D Center is established in the Shanghai branch of Green Carey. The R&D team is composed of a group of senior experts in the environmental protection industry and has rich practical experience in chemical analysis, automatic control, instruments and meters. Currently, dozens of water quality analysis instruments have been launched to the domestic market, and as of 2021, more than 50 national authorized patents have been obtained. We have made multiple breakthroughs in core technologies in the field of water quality analysis. With years of accumulated production and research experience and a large user base in China, Green Carey has become a professional and trustworthy water quality testing partner for users.