Fax machine: Wuhan Datong Telecommunications Equipment Co., Ltd.: No.45, Electronic City, Li Ji North Road, Qiaokou District, Wuhan.
Wuhan Mingda Digital Technology Co., Ltd.: Room 80 1, Block B, Sanyang Plaza, No.30 Sanyang Road, Jiang 'an District, Wuhan.
Wuhan jieao electrical engineering co., ltd: No.79 Jianghan north road/kloc-0, Hankou, Wuhan.
LL OHC: Wuhan Xing 'e Science and Education Instrument Co., Ltd.: Room KLOC-0/406, Block B, Ming Ze Peninsula, No.517, Luoshi South Road, Hongshan District, Wuhan.
Monitoring equipment: Wuhan Yilida Technology Co., Ltd.: Room 704, Block B, Yong Cheng Garden, No.6/KLOC-0, Huiji Road, Jiang 'an District, Wuhan City, Hubei Province.
Educational projector: Wuhan Songying Zhongyuan Digital Technology Co., Ltd.: Room121Zhaofu International Building, No.717, Wu Luo Road, Hongshan District, Wuhan.
Tel: Wuhan Deao Trading Co., Ltd.: Room 504, School 1 Building, No.78 Li Ji North Road, Wuhan.
Wuhan Yan Jun Trading Co., Ltd.: No.24-3, Electronic City, Li Ji North Road, Hankou, Wuhan
Copier: wuhan tong Wei Digital Technology Co., Ltd.: Floor 2, Hubei Information Industry Building 1No. Wujiawan Postal College Road, Hongshan District, Wuhan City.
Mobile phone: Wuhan Zhong You Communication Equipment Co., Ltd.: Floor 2, Cyberport, No.707 Zhongshan Avenue, Wuhan.