业务领域                  |                                      |             工程施工与服务                   |                      |                  |                      |------安防工程                 |                      |------弱电系统集成工程                 |                      |------光纤通信工程                 |                      |------弱电工程维护保养                 |                 |               产品销售与代理                 |                      |                  |                      |------ 视频光端机                    |                      |------光通信配件                 |                      |------安防产品                 |                 |                产品研发                                         |                                          |------视频光端机                                                |------光纤通讯设备