CHANGAI Electronic Science & Technology Co., Ltd is a high-tech corporation that is specialized in studying, developing, producing and selling aluminum enclosures, electrical enclosures, electronic enclosures, industrial boxes, and instrumented case systems, high quality gas sensors, analyzers & systems in China.

Headquartered in Shanghai, CHANGHAI has another fully-funded subsidiary in Chengdu, Sichuan Province. So far, CHANGHAI has extended its business scope from simple gas analyzers to gas analyzing systems so as to provide particular product, technical consultations and...