1,ISO90001:2000, UL, SGS 2,No MOQ 3,Free sample before production 4,One-stop- ... , FR-1, CEM-1, CEM-3, FR-4 Halogen Free 2)layer: 1-12 3)board thickness: 0.4mm-3.2mm ... )Certificate: UL, ISO9001, ISO14001, ISO/TS 16949, RoHS 15)Impedance control: Microstrip impedance: 50-60Ω, Tolerance: +-10% Differential Impedance: 90-120 ... )Quality standard: IPC-A-600F. print circuit board for electronic remote control