... with competitive price 3.ISO,UL,RoHs,SGS Round Led PCB1.We have over 10 years experience ... Strict QC to ensure good quality5.Our PCB board get ISO,UL,RoHs, SGS ect certification Our ... Technical capabilitiesNOITEMOur PCB Technical capabilities1Layers2-20 layers2Max. Board size2000×610mm3Min. board Thickness2-layer 0.15mm4-layer 0.38mm6-layer ... ,Ceramics,Aluminium, Copper base Aluminum Based Round Led PCB