General Projects: Metal structure manufacturing; sale of building materials; installation and repair services for furniture; construction of landscape gardening projects; manufacturing of architectural decoration, plumbing and heating pipe fittings, and other building metal products; container manufacturing; manufacturing of lightweight building materials; sale of containers; sale of thermal insulation materials; construction of metal door and window projects; sale of metal structures; container leasing services; retail of hardware products; sale of metal products; sale of doors and windows; sale of architectural decoration materials; sale of metal materials. (Except as otherwise required by laws and regulations, the company shall independently operate and manage in accordance with the business license.) License Projects: Construction of construction projects. (Except as otherwise required by laws and regulations, the company's operation and management is subject to the relevant administrative approval documents or permits, and the specific business scope is subject to the approval documents or permits of the administrative authorities.)