high Power led and COB 3W-30W , SMD 3030,SMD 3535,SMD 5050,SMD 2835 etc. 6. Do you have any certifications for your products ? Yes, All of led have CE,FCC,RoHS and LM-80 certifcations 7. What chip you usually use for your led ? We usually use Epistar, Bridgelux and Genesis photonics LED chip for high power led.