機械設備生產安裝

Production and installation of mechanical equipment

鋼結構制品加工安裝

Processing and installation of steel structure products

機電設備安裝

Electromechanical equipment installation

水管安裝

Water pipe installation

建筑裝飾工程施工

Construction of architectural decoration works

吊裝業務工程施工

Lifting business engineering construction