Production of aluminum, magnesium alloy, and alloy steel raised access floors, aluminum and magnesium alloy equipment for vehicles and aviation, metal space frames for floors, ceiling, partition, and exterior wall decoration materials; sales of self-produced products and provision of after-sales services (operations subject to license if required). Leasing business of self-owned factory buildings located at No. 826 Huatie Road, Songjiang Industrial Zone, Shanghai. [Projects subject to approval according to law must be carried out after obtaining approval from relevant departments.]