中文版
System integration
Operation outsourcing
Network security
IT operation & maintenance
Data center
Weak current engineering
Achievement
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Dalian Datong Communication Engineering Co., Ltd.     E-mail:datongdl@outlook.com
Add：Room 72-3, LuXun Rood, Zhongshan District, Dalian, P.R.China     Tel：+86-411-82734677 / 82734227      Fax：+86-411-82934227