... UL,SGS,ROHS,ISO9000. We can manufacture PCB in higher quality, more competitive price, quicker delivery and ... to send us RFQ! This form is of my company's process capacity for your reference, for more messages, pls contact with ... 1mm(tolerance)Copper Thickness1/2OZ-3OZ (35um to 105um),+/-8um(tolerance),purity 99.5%Impedance ... Tolerance±0.1mm(dia.≥0.6mm)Pad to hole/to pad Tolerance±0.05mm/±0.2mm Solder ...