主营：Technology development, technology transfer, technical services, construction general contracting, professional contracting, labor subcontracting, urban landscaping, home decoration, sales of building materials, hardware, electrical equipment, office supp
主营：Retail communication equipment, specialized equipment, metal materials, chemical products, electrical machinery, hardware, electrical equipment, building materials, instruments and meters, electronic products, Class I medical devices, office machinery, fi
主营：The general business scope includes mechanical and electrical products, industrial control instruments and components, communication equipment, computer software and hardware, hardware and electrical equipment, metal materials and products, industrial che
主营：Mechanical engineering research services, sales of general equipment, specialized equipment, electrical machinery, instruments and meters, office and other mechanical equipment, hardware products, electronic products and accessories
主营：Software development, data processing and storage support services, information system integration services, computer information technology consulting services, mechanical engineering technology research and development, consulting services, conference a
主营：Construction machinery, equipment, generator rental, specialized equipment, general equipment, mechanical equipment, instruments and meters, building materials, hardware and electrical equipment, daily necessities, electronic products, automotive parts sa
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