1. Shark Technology Network Co., Ltd.: 400 meters west of Zaohe subway entrance of Zaoyuan West Road subway 1 line, weiyang district, Xi City, Shaanxi Province.
2. Huanke Electronics Co., Ltd.: 400 meters west of Zaohe subway entrance of Zaoyuan West Road Subway 1 Line in weiyang district, Xi City, Shaanxi Province.
3. Liquid Nitrogen Manufacturing Co., Ltd.: 400 meters west of Zaohe subway entrance of Zaoyuan West Road Subway 1 Line, weiyang district, Xi City, Shaanxi Province.