The company mainly deals with ARM / DSP / MCU / EDA / SOPC emulator development board / optical fiber communication / electromagnetic wave anti-theft system, electronic components, accessories, etc .; teaching software, books, teaching materials, learning kits, science and education equipment, digital networks, computers, materials, etc. Networking, automatic identification, RFID and consumables; multimedia teaching class, multimedia conference system, video conference system, telepresence system, information system integration design, installation and commissioning, video surveillance installation system, IT product agents and services, and psychology Consulting room systems, etc .; big data, cloud storage, cloud classrooms, cloud desktops, cloud computing, backup all-in-one machines, as well as experimental and experimental teaching equipment, instrumentation, and analytical instruments.