http://pastport.jp/user/bit-cctv ja-JP With 15 years' experiences, Blue Icon (Tianjin) Technology Co. Ltd. (Also as Bit-CCTV Solutions) located in Tianjin, North China, is specialized in the design, engineering. 2021-10-11T18:31:10+0900 http://pastport.jp/user/bit-cctv/timeline/Blue%20Icon%20%28Tianjin%29%20Technology%20Co.%2C%20Ltd. bit-cctv http://pastport.jp/user/bit-cctv/timeline/Blue%20Icon%20%28Tianjin%29%20Technology%20Co.%2C%20Ltd.