主营：General projects, research and development of electronic specialized materials, sales of electronic components and electromechanical equipment, sales of integrated circuit chips and products, sales of integrated circuits, sales of mechanical and electrica
主营：Purchase and sale of electronic components and other domestic trade, operation of import and export business, semiconductor discrete device manufacturing, semiconductor discrete device sales, electronic component manufacturing, electronic component wholes
主营：Engaged in technology development, technical consulting, technical services, business consulting in the field of electronic technology, engaged in the import of goods and technology, sales of electronic components, electronic products, wires and cables, e
主营：Technical development and sales of electronic products, digital products, and communication products, domestic trade, import and export business operations, consulting services for electronic and network technology development, economic information consul
主营：Electronic components, integrated circuits, optoelectronic products, communication equipment, technical development and sales of communication products, research and development, development and design of electronic products, domestic trade, and operation
主营：Research and sales of electronic products, electronic components, integrated circuits, electrical products, digital products, communication products, automation equipment, instruments and meters, sports equipment, hardware products, security equipment and
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