Integrity of the spot light source of social, the good faith voices wake up the foundation of human nature.
诚信之光点亮社会之源，诚信之声唤醒人性之基。
The main function is to guide the spot light source of LED to plane light source.
导光板主要功能是引导LED的点光源成为平面光源。
LED Spot Cup, also known as LED lighting, is to use light-emitting diodes as the light source lamp.
LED射灯杯又称LED射灯，就是用发光二极管作为光源的射灯。
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