17J, 1138 ChangAn Road, Zhabei, Shanghai, Shanghai, China

CHANGAI Electronic Science & Technology Co., Ltd is a high-tech corporation that is specialized in studying, developing, producing and selling high quality gas sensors, analyzers & sys...

13D, 1138 Changan Road, Zhabei

CHANGAI Electronic Science & Technology Co., Ltd is a high-tech corporation that is specialized in studying, developing, producing and selling aluminum enclosures, electrical enclosures, elect...