Chang Ai Electronic Science & Technology Co., Ltd.

Chang Ai was established since 2004. It is a high-tech corporation that is specialized in studying, developing, producing and selling world leading level's gas sensors, analyzers & systems in China. It is the analyzer manufacturer which takes the science and technology personnel as the main body.

Our company have multiple of invention patents, hundreds of utility model and design patents. We had dealt with various China and Shanghai major projects like National Innovation Fund, intensified new product project, Torch Program, achievement transformation, etc. Chang Ai had become the drafting company of the electrochemical method of trace oxygen measuring in the gases national standard, which had establised the position of leadership of Chang Ai company.