Shanghai Chang Ai Electronic Technology Co., Ltd., the company mainly engaged in with the current world-leading sensor and secondary instrumentation, systems engineering research, development and production, is a science and technology personnel as the main tech instrument manufacturer. Since its establishment, within a few years of high investment, high risk, fast-growing high-tech way through new product research and development stage, and quickly entered the high-tech high-yield, high-efficiency industrial stage, Shanghai science and technology for the growth of electronic information enterprises. Companies in strict accordance with the ISO9001 international standard quality system design, development, production, installation and service quality assurance scale style management. The company developed and produced in the country are widely used analytical instruments are: Series dewpoint meter, trace oxygen analyzer series, a constant oxygen analyzer, high purity oxygen analyzer, multi-functional oxygen purity analyzer, portable trace oxygen analyzer , the series is designed for nitrogen purity background gas meter and environmental testing of hydrogen oxygen analyzer. In 2004 the company has developed to produce at 500 ℃ high temperature environment dew point analyzer, high temperature and humidity instrument to meet the paper, wood processing, building materials, chemicals and other industrial areas of special requirements. The changing face of today's electronic technology and the further development of the market economy, our company will be "efforts to revitalize the Chinese industrial undertakings, striving for world-renowned industrial brand" as the goal, people-oriented good governance, to further strengthen the internal hardware and software, give full play to my company over the years in the field of industrial inspection and automation experience, and constantly open for each user to provide value for money products and services, and strive to contribute to the modernization of our country!