The legal person is xu saiting, representing xu xian, and is engaged in the production, processing and sale of various types of scaffolding, construction and steel structures, steel templates, construction tools, hardware, metal works and other construction accessories; installation, sale and lease of scaffolding and mechanical equipment; subcontracting of construction services; design, installation, lease and technical advice of building systems templates; construction works, mechanical and electrical installations, interior and exterior decoration works, construction and water protection works, fire-fighting works, construction and intellectual engineering, lighting works, greening works, municipal works, road works, ground and infrastructure works, construction and wall works, construction and construction of plumbing works; sale of building materials, decorations, non-hazardous products, electrical products, electronics, instrumentation, communications equipment, plastics, machinery, import and export of commercial goods and technical services; and sale of building materials, non-hazard products, electronics, electronics, communications equipment, and equipment, equipment, equipment and equipment for the export and import and export of commercial goods. (projects subject to legal approval may not operate without the approval of the relevant department)