... 1. Chip Material; InGaN/GaAsp2.Shape; round led, oval led, straw hat led , helmet led , square led flat top led , bullet led, concave led, rectangle led ... 000+hours Primary competitive advantage of Keliang LED 1.Professional led manufacture 2.Experience technical staff 3. ... status indicator, telephone, traffic signal lights and automotive, tv set ,car decoration, channel letter lighting. 5mm diffused ...