... files need excellent quality pcba assembly,Aluminum based led PCBA for led for led Tube Specification:ItemPCBALayerSingle sidedSurface Finishinglead-free MoldingDie ... s request, MCPCB-Aluminum Base PCB application:LED tube,LED Lamp,High power Lamp, high heat lamp etc.TRADE TERMS:Sample lead-time: 1 ... design,Please send me your Gerber files, Aluminum based led smt PCBA assembly with smd 3528 led tube