1.Rogers PCB boards 2.Rogers PCB Factory directly 3.High quality&low price 4.UL,ROHS,ISO9001 5.Ro4350B,Ro3003,RO3006, ... , Rogers, HF material, etc. Layer counts: 1-16 layers Finished Copper Thickness: 0.5-5 OZ Finished Board Thickness: 0.2 ... : HAL, Lead Free HAL, Immersion gold, OSP, Immersion tin, Immersion silver, etc. Other Technology: Gold finger, peelable mask, Non-across blind ...