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Shenzhen KOI Electricity Technology CO.,LTD is one of the high-tech enterprise, which integrated research, producing, selling, engineering and service into the whole, since the establishment, especially dedicated in LED system research and generalization, during many years struggle, our products had expanded from the initial one color sign, security sign, bank exchange rate sign to the 256 levels gray scale display, and presently some indoor and outoor full color LED display system, adopting the newest SMT ...
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