R&D function 1. One-stop pcb&pcba service 2. Approval: ISO9001:2008 ... , PCB layout, PCB manufacturing, PCB Assemblies, components sourcing, PCBA Function Test, design solution.PCB Specification of ZLX technology: 1layer1-12 ... black/white/red/blue/yellow11Inner packingVacuum packing,Plastic bag12Outer packing standard carton paking13Hole tolerancePTH:±0.076,NTPH:±0.0514CertificateUL,ISO9001,ISO14001 ...