R&D function 1. One-stop pcb&pcba service 2. Approval: ... ,SGS,RoHS 4. Reply Email in 4 hours R&D functionPCB&PCBA manufacturer: We can offer 1 to 12 Layer ... packing,Plastic bag12Outer packing standard carton paking13Hole tolerancePTH:±0.076,NTPH:±0.0514CertificateUL,ISO9001,ISO14001,ISO/TS16949,ROHS15profiling punchingRouting, ... one-stop pcb assemblies service. PCB Manufacturing Process R&D function