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How to distinguish the quality of LED lights?

Return list source:Krgled view:- date:2016-06-30 10:20:00【Large Middle Small

LED lights first look at the quality of appearance, workmanship is fine, fine workmanship lamp production process control instructions properly; second look at the weight of LED lights, LED lamps mainly by shell heat, thicker shell, heat better; power quality, general wide selection of high-voltage power supply power factor, imports IC; lamp beads quality, select imported tile foot chip, color uniformity.