... dip pcb assembly serviceCircuit board assembly fabrication:One-stop pcb assemblies service, We can offer 1 to 12 Layer PCB fabrication, PCB design, PCB layout, PCB manufacturing, PCB Assemblies ... /yellow11Inner packingVaccum packing,Plastic bag12Outer packingstandard carton paking13Hole tolerancePTH:±0.076,NTPH:±0.0514CertificateUL,ISO9001,ISO14001,ISO/TS16949,ROHS15profiling punchingRouting,V-CUT ...