License Projects: Various construction activities; road cargo transportation (excluding hazardous goods) (Operational projects subject to approval, in accordance with the provisions of the relevant administrative approval documents or licenses, the specific business scope is subject to the approved documents or licenses of the administrative approval department) General Projects: Manufacturing of metal materials; Sales of metal materials; Steel rolling processing; Manufacturing of metal chains and other metal products; Sales of metal chains and other metal products; Manufacturing of building decoration, plumbing pipe fittings and other building metal products; Manufacturing of metal accessories for construction use; Sales of metal accessories for construction use; Manufacturing of metal products for safety and fire protection; Manufacturing of metal wire ropes and their products; Sales of metal wire ropes and their products; Metal surface treatment and heat treatment processing; Manufacturing of metal signs for traffic and public management use; Sales of metal signs for traffic and public management use; Metal cutting processing services; Manufacturing of non-metallic mineral material forming machinery; Manufacturing of non-metallic mineral products; Manufacturing of plastic packaging boxes and containers; Manufacturing of plastic products; Sales of plastic products