Network comprehensive maintenance and others
1、 Comprehensive maintenance
1. Equipment (base station) maintenance;
2. Maintenance of communication optical cable lines;
3. Tower mast and antenna feeder maintenance;
4. Indoor distribution network coverage and repeater maintenance;
5. Installation, dismantling, and maintenance of broadband and fixed line telephones;
6. Fixed network access room, data equipment, and their power maintenance.
2、 Construction of communication optical cable lines and local telephone lines
3、 Construction of communication (unified construction) pipelines
