... OEM SMT&DIP Service; 3, 1-22 Layer; 4, UL.ROSH SGS Certification; 5, High quality, low cost&fast ... packingStandard carton packing13Hole tolerancePTH:±0.076,NTPH:±0.0514CertificateUL,ISO9001,ISO14001,ROHS,CQC15Profiling PunchingRouting,V-CUT,Beveling16Assembly ServiceProviding ... (Functional Circuit Test) technology.4) PCB Assembly With UL,CE,FCC,Rohs Approval5) Nitrogen gas reflow soldering technology ...