... ,SGS.ISO The good quality and good price for pcb is our choose for you. Please give us your filesof pcb ... PCB and PADS. We alsocan send you the samples for quality check when all is confirmed. Please see the ... -1, CEM-1, CEM-3, FR-4 Halogen Free ,Aluminum base.2)layer: 1-32 3)board thickness: 0.4mm ... -120Ω, Tolerance: +-10% 16)Quality standard: IPC-A-600F. Aluminum PCB for light with UL/ETL shenzhen