... HASL, White Solder Mask; PCB+LED+SMT the whole service with very competitive price Brief Introduction:Specialized ... experience)Provide the whole service as “PCB+LED+SMT”PCB Boards with UL, ROHS, SGS certificateTop quality, ... Board SizeQuantity for month/yearHigh and low power LED TypeDetailed Specification of PCB Manufacturing 1Layer1-30 ... printed circuit board assembly LED Board with SMD LED