led light circuit board 1.PCB Quality: UL, ISO9001:2008, ROHS compliant,SGS ... 3.9 years factory Aluminum Based, copper based, Iron Basesd LED boardWhat we can do for you:1.Excellent Quality: Our ... : We provide PCB for both low power and high power LED products.3. Board thickness: 0.4~3.2 mm Aluminum ... .Surface FinishingHASL,Immersion Silver/Gold, OSP,Plate Gold, Gold Finger LED Light Board