Double layers PCB: Material: FR-4 Thickness: 1.6mm Surface finish: HASL CE, UL, ROHS approved Specifications:1) Double layer PCB, 1.6MM2) Strict quality control3) Prompt delivery.3) Samples are available.ServiceQuotation in 2 hoursQuick and economic delivery termFR4 Double-sided and Alum single-sided sample in 24 hours4 layer sample in 72 hoursAdvanced technology productsMass production for heat ...