Develop the software and hardware of LED display system and manufacture all kinds of LED display production. Accomplished in LED & LCD (liquid screen) display control system, mobile display terminal of GSM data transmission module, and the software and hardware develop of IC card read-write control system. Design switch kit systems for measuring and displaying voltage, current, power, power factor, temperature and humidity. Towards 232 / 485 communication, parallel port, USB port, online assembl...
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