電力設施工程安裝
Power facility engineering installation
城市及道路照明工程
City and road lighting project
電力設施試驗運維
Test operation and maintenance of power facilities
市政公用工程
Municipal public works
輸變電工程
Transmission and transformation project
建築機電安裝工程
Construction mechanical and electrical installation engineering
建築裝修裝飾工程
Building Decoration Engineering
