1.PCB Board: like light Use At Least 2 0unces Pcb Board, Some Are 3 0unces And 4 0unces For Better Dissipation. They Are 10% Pure Copper. Most Of 0urPCB Board Are UL Listed From The PCB Producer Of Hongqi Lighting And Founder Soonest Electronics.
2.LED Chip: Epistar Brand Led chips. like light Could Do 0ther Brand Chips According To Customer's Request,Such As, Cree, Samsung, phiips, SananHonglitronic And Smalite Led Chips. We Only Focus On High Quality Led Chips.