1.Centralized calibration of users electricity meters
2.Completion test and regular calibration of watt/var-hour meters in power plants
3.Completion test and regular calibration of watt/var-hour meters in substations
4.User meter accident identification
5.Repair and maintenance of electricity meters of subsidiaries
6.Scrap identification of faulty watt-hour meters
7.Development of automatic watt-hour meter calibration
8.Development of watt-hour meter testing technology and method
9.Maintenance testing of communication module
10.Inspection agency (17020) accreditation