... years of experience in PCB industry 4.UL,SGS,ISO9001,RoHS,QS9000 and TS16949 Layer:1~22 layersMaterials: FR ... -4, CEM-3, Teflon, Aluminum, Rogers, High TgSurface finished:Lead Free HASL,Immersion Gold/Tin/ ... 0.10mm12Controlled Impedance (Ohm)±7% - 10%±7% - 10%PCB picturePCB factoryPCB production capacity Double sided PCB 200000 ft2 /MonthMultilayer PCB320000 ft2/MonthHDI ...