... , We can offer 1 to 12 Layer PCB fabrication, PCB design, PCB layout, PCB manufacturing, PCB Assemblies, components sourcing, PCBA Function Test, ... development; 2 PCB making according to PCB design;3 Material Purchasing as BOM offered; 5 SMT/Through hole assembly; ... Sampling → SMT Stock → Material to PTH → PTH Line Loading → Plated Through Hole → Wave Soldering → Touch Up → 100% Visual Inspection → ...