Shanghai Youke Instrument Co., Ltd. is a high-tech enterprise dedicated to the research and development, production, sales and service of laboratory general analytical instruments. Integrity is the foundation of Youke. Quality is the survival of Youke. Ultraviolet-visible spectrophotometer Water quality testing (monitoring) electronic balance series halogen moisture rapid measuring instrument gas chromatograph rotating viscometer (digital display) and other five categories of water quality testing instruments product range is complete, is the major supplier of analytical instrument products in China can provide customers with one-stop technical solutions.