... laminate pcb board: 1, KB base material 2,flash gold, 35um,2-layers 3.free sample 4.best ... PCB and power supply PCB. We choose the best base material suppliers as our partners, such as ... FR-4, CEM-1, CEM-3, High Frequency Laminate with various dielectric constant (imported or from local supplier ... ), Aluminum base laminate, Metal core AluminumSurface Finish:Hot air Lev p ...