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The business scope includes general projects: technical services, technology development, technical consulting, technology exchange, technology transfer, and technology promotion; manufacturing of drawing, computing, and measuring instruments; manufacturing of smart instruments and meters; manufacturing of mechanical and electrical equipment; manufacturing of industrial automatic control system devices; manufacturing of specialized electronic equipment; sales of drawing, computing, and measuring instruments; sales of smart instruments and meters; sales of mechanical and electrical equipment; sales of industrial automatic control system devices; sales of specialized electronic equipment; installation services for general mechanical equipment; repair of electrical equipment; import and export of goods; import and export of technology (except for projects subject to approval by law, independent business activities are carried out in accordance with the business license legally).