Manufacturing of civil aircraft parts; import and export of goods; import and export of technology. General items: sales of fasteners; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; general parts manufacturing; metal tool manufacturing; retail of hardware products; sales of machinery and equipment; sales of mechanical parts and components; sales of rubber products; sales of plastic products; retail of automobile parts and accessories; retail of motorcycles and spare parts; sales of bearings; sales of pneumatic and electric tools; metal processing machinery manufacturing; sales of non-ferrous metal alloys; software development; software outsourcing services.