... in 4 hours 4. UL,SGS pcb design and assemblyPCB&PCBA manufacturer: We can offer 1 to 12 Layer PCB fabrication, PCB ... design, PCB layout, PCB manufacturing, PCB Assemblies, components sourcing ... PCBA Function Test, design solution. PCB Specification of ZLX technology: 1layer1-12 layer2MaterialFR-1,FR-2,FR-4,CEM-1,CEM-3,Hight ...