... 1.Aluminum LED PCB for LED light 2.Fast delivery with high quality 3.UL,SGS,ROHS,IS09001,CEC 4.20 years in led pcb. The ... , Flexible, Rigid-FlexSolder Mask(SM)SM Opening (mil)2/4SM Bridge (mil)6ColorWhite, Black, Blue, Green,Yellow, Red, etc.Silk ScreenMin. ... width (mil)5/8ColorWhite, Yellow, Black, etc.Surface TreatmentHASL, Lead-free HASL, ENIG, Electroplating Au, Immersion ...