主营：Licensed projects, construction engineering construction, general construction engineering supervision projects, sales of experimental analysis instruments, manufacturing of experimental analysis instruments, sales of office equipment consumables, manufac
主营：Sales and maintenance services for general projects, instruments and meters, electronic equipment and components, electrical equipment, mechanical and electrical products, processing of electronic accessories, software development, manufacturing of instru
主营：General projects, sales of electrical instruments and meters, sales of electrical equipment, sales of mechanical equipment, manufacturing of electrical instruments and meters, retail of computer software and hardware and auxiliary equipment, repair of ele
主营：General projects, information system integration services, sales of electronic measuring instruments, sales of electrical instruments and meters, sales of mechanical equipment, software sales, sales of network equipment, sales of electronic components and
主营：General projects, sales of instruments and meters, sales of intelligent instruments and meters, sales of drawing, calculation and measuring instruments, sales of environmental monitoring special instruments and meters, sales of electronic measuring instru
主营：Sales of instruments and meters, electronic products, computers, software and auxiliary equipment, communication equipment, mechanical equipment, engaged in technical development, technology transfer, technical consulting, technical services, computer sof
主营：The design of single-chip controller software, the design, manufacturing, sales, self operation, and agency of various goods and technologies for import and export business of electronic instruments, except for goods and technologies restricted or prohibi
主营：Retail of communication equipment, retail of electronic components, retail of electronic products, retail of mechanical parts, retail of software, retail of general mechanical equipment, wholesale of instruments and meters, wholesale of electronic compone
主营：Electricity and electrical equipment production, sales, calibration, and testing of power facilities license for conducting business activities, production, sales, and operation of instruments and meters, and other general business projects that can be op
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