Aurora Scientific Instruments (Shanghai) Co., Ltd. (abbreviated as Aurora) is a subsidiary of AlpHa Measurement Solutions, LLC (abbreviated as AlpHa) in China. Since its establishment in 1994, Aurora has been specializing in the production of various electrochemical sensors with the technical strength of the AlpHa Group. Its products are widely popular in Europe, America, Asia Pacific and other regions, and have received high praise from domestic and foreign customers. Aurora has the capability of machining, injection molding, mold design and production, and is committed to providing customized services for users. Its product line is rich, including handheld fluorescent trace dissolved oxygen kit PTSA、 Five parameter electrode, heavy metal analyzer, and used for ion, residual chlorine pH、ORP、 Electrodes in fields such as conductivity and dissolved oxygen.