... years in PCB filed 2.Top quality with competitive price 3.ISO,UL,RoHs,SGS Electronic Timer PCB1 ... .We have over 10 years experience in PCB filed2.Fast delivery ... ISO,UL,RoHs, SGS ect certification Our PCB Technical capabilitiesNOITEMOur PCB Technical capabilities1Layers2-20 layers2Max. Board size2000×610mm3Min ... ,Aluminium, Copper base 4 Layer Electronic Timer PCB Board