Led Printed circuit board 1.PCB experience8 years 2.PCB certificate:ISO,UL and ROHS 3.PCB Lead time:3-7 working day. 1. Good Quality: UL, SGS Test, RoHS Certification, ISO9001:2008 2.1-12 layer:FR-4, Alu,Rog 3.Short lead time 4.good Price ITEMS Our PCB Parameters Single sideDouble sideMulti layers layers 124~12 copper thickness 1~2oz0.5~10oz0.5~6oz material thickness 0.8~3.0mm0.2~3.2mm0.35~3.2mm ...