R&D, processing and manufacturing of power transmission and transformation towers, wind power generation equipment, communication towers, steel pole pipes, steel structures and power equipment, and export business of power transmission and transformation towers, communication towers and steel structures produced by this enterprise;
Import business of raw and auxiliary materials, machinery and equipment, instruments and spare parts needed for production and scientific research of this enterprise;
R&D, designing, producing and selling transmission line towers, as well as producing and selling substation structural supports and communication towers.