Shanghai Pinji Scientific Instrument Co., Ltd. (formerly known as Shanghai Weiye Instrument Factory) provides various products, modules, and solutions in electrochemistry and precision weighing. It is a professional provider of electrochemical analysis instrument production enterprises and precision weighing application solutions, integrating research and development, manufacturing, and services. The company was founded in 1996 and has always been committed to the basic research and product development and manufacturing of electrochemical instruments, precision weighing electromagnetic force sensors, and strain gauge sensors. It has rich experience in small signal measurement and precision machining processes, especially in the application of small signal precision measurement technology and customized development for customers. The current main products include acidity meters, conductivity meters, titrators, laboratory electrochemical sensors, and precision weighing sensors, and provide customized development and application solutions. For many years, it has been highly praised by users for its stable product performance, excellent quality, and fast service. The company takes "product technology" as its name and aims to achieve quality, brand, and taste through "product technology"; Technology refers to techniques, skills, and skills. We focus on "quality", strive for excellence in "technology", and pursue excellence in "quality technology". We provide not only high-quality equipment, but also tools of craftsmanship. The company will meet the professional needs of users with better quality, more advanced technology, and better services.