... industry 2)Good after services 3)UL.SGS.ISO9001,ROHS,QS9000 and IS Aluminum Composite Panel manufacturerOur MCPCB got UL,SGS,ROHS ... carton paking13Hole tolerancePTH:±0.076,NTPH:±0.0514CertificateUL,ISO9001,ISO14001,ROHS,CQC,SGS15profiling punchingRouting,V-CUT,Beveling Single Side Aluminum Composite Panel