FR4 1oz copper thickness double sided pcb 1.High precision 2.PCB size ... ,SGS,ROHS,ISO9001:2008 FR4 1oz copper thickness double sided pcb Brief introdution of our company Suzhou Xinke ... pcbmanufacturer ,our products include blank pcb, single sided pcb,double sided pcb,multilayer pcb,flexible pcb,fr4 pcb,fr2 ... ” ±10% ( 0.1mmto4.0mm±10% )Min. Single/ Double-sided:0.008”±0.004”(0.2mm ±0.1mm)4-layer ...