Shenzhen Huahai Smart Card Co. Ltd. is .... domestic and international famous projects such as: Hunan health care card, national grid, smart tags, subway, light rail) , large cities one cartoon, ....
Shenzhen RONIN Electronic Co.Ltd. ( formerly .... agents in Lanzhou, Zhuhai, Shanghai, Shijiazhuang, Hunan Province, Xiamen, Inner Mongolia and other places in order to provide customers convenient....
Gri Instrument mainly produce Portable gas detectors and leak detectors, fixed gas detectors, wall-mounted gas detectors, gas alarm host, on-line gas analyzers, portable gas analyzers, various....