... service; 5.UL,SGS,ROHS,ISO9000. We can manufacture PCB in higher quality, more competitive price, quicker delivery and better logistic ... process capacity for your reference, for more messages, pls contact with us freely! ItemSpecification MaterialFR-4 / Hi-Tg FR-4 / Lead ... -3OZ (35um to 105um),+/-8um(tolerance),purity 99.5%Impedance Control±10%Bow and Twist MAX.0.75%(SMT)Anti-strip ...