主营产品：Industrial automatic control system device manufacturing; computer technology development and technical services; software development; commodity wholesale trade; communication system equipment manufacturing
主营产品：Mechanical equipment manufacturing and parts, special mechanical parts for tobacco equipment, automation control systems, various sensors, sensitive devices, electronic devices, transmitters, optoelectronic instrument products, detection products, application instruments and automation system engineering software and hardware research and development
主营产品：Spherical LED display, LED display rental, outdoor advertising LED display, stage background LED display, sports venue LED display, traffic guidance LED display, information release LED display, LED car screen, LED floor screen, LED lintel Screen
主营产品：Electronic industry, aerospace, weapons industry, shipbuilding industry, intelligent transportation, electric power, petroleum, and related scientific research institutes, etc.
主营产品：R&D, production and sales of mechanical and electrical equipment, energy-saving and environmental protection equipment, plastic products, and fiberglass products.
主营产品：Manufacturing, processing and sales of electrical equipment, power transformers, distribution switch control equipment, complete sets of electrical equipment, box-type substations, industrial control automation equipment, electronic components, wires and cables, hardware and plastic parts.
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