The business scope includes general projects: import and export of goods; import and export of technology; sales of rubber products; sales of plastic products; sales of daily-use glass products; sales of technical glass products; sales of building materials; sales of construction and decoration materials; sales of thermal insulation materials; sales of building waterproofing membrane products; sales of special chemical products (excluding hazardous chemicals); sales of synthetic materials; sales of office equipment; sales of mechanical and electrical equipment; sales of metal materials; residential water and electricity installation and maintenance services; conference and exhibition services; technology services, technology development, technology consultation, technology exchange, technology transfer, and technology promotion; import and export agency. (Activities are conducted independently according to the business license, except for those that require approval by law.)