The scope of operation of hunan north accountant limited includes the manufacture of counters; the sale of pounds, metering devices, quantitative packaging scales, general mechanical equipment; the manufacture of metering devices, electromechanical measuring boxes; metering and calibration; metering and calibration of instrumentation equipment; the development, sale, testing of electrometric meters and equipment; the production of stainless steel products; the processing of stainless steel products; the retail sale of stainless steel products; the wholesale distribution of stainless steel products; technical advice of mechanical equipment; and technical services of mechanical equipment。