... based on gerber file 3.UL,SGS,ROHS,ISO9001:2008 FR4 1oz copper thickness double sided pcb Brief ... ~ 3.0ozInner Cu wight0.5oz ~ 3.0ozLaminate MaterialsFR-4,FR-1,,FR-2,CEM-1,CEM-3Board Cutting Max. ... TDS8200Routing End Mills Test± 0.006”(0.15mm)CNC Tolerance± 0.004”(0.1mm)V-Cut Depth( ... test Product inspection Production flow chart Strict quality control system We are a gold PCB supplier on Alibaba. ...