Brief description about the led aluminum base pcb: 1.FR4,double-sided pcb,1. ... PCB,s Processing Capability Of StandardNO.ITEMTechnique Data1Product TypeAluminum base,Double-sided aluminum base2SubstrateDomestic aluminum plate,TAIWAN Domestic ... Up DateYear 1994Main ProductsPrinted Circuit Board,Flexible Circuit Board,Aluminium PCBcompany type manufacturer Employees (number)Office employees: 88 ...