... experience in PCB industry 3)Good after services 4)UL.SGS.ISO9001,ROHS,QS9000 and ISO TS16949 double side pcb Immersion ... gold PCBOur PCB got UL,SGS,ROHS,ISO9002 cerfitifcates,and are ... packingstandard carton paking13Hole tolerancePTH:±0.076,NTPH:±0.0514CertificateUL,ISO9001,ISO14001,ROHS,CQC,SGS15profiling punchingRouting,V-CUT,Beveling