... low cost & fast delivery 2.NO MOQ PCB board 3.Free sample before production 4.RoHs complaints ... lines of PCB, PCB boards, PCB circuit, circuit board,electronic pcb, Copy PCB, design PCB, prototype PCB, PCB fabrication, PCB layout, we are professional PCB factory Quality ... )Mini Solder Mask Bridge0.05mm0.025mm Thickness01mm0.05mmImpedance Control Tolerance±10%±5%Surface FinishingHASL, Lead free HASL ...