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| Company Name | 北京四同光通信系统有限公司 |
| Contact | 黄先生 |
| Telephone | 010-84649922 |
| Fax | 010-84632520 |
| Address | 北京市朝阳区小营路１２号３＃５Ａ |
| Website | 7588611.czvv.com |
Map(The red dot in the figure below is 北京四同光通信系统有限公司 at the specific location, the map can drag, double zoom
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