Brief description about the led aluminum base pcb: 1.FR4,double-sided pcb,1.0mm,1OZ,Lead ... in PCB,s Processing Capability Of StandardNO.ITEMTechnique Data1Product TypeAluminum base,Double-sided aluminum base2SubstrateDomestic aluminum plate,TAIWAN Domestic aluminum plate ... the inquiry of PCBs,pease send the files to me, then i will send the all files with attachment to you led aluminum base ...