PCBA, PCB, Surface Mounted Technology, Print circuit Board Assembly, PCB assemblies, SMT, AIM, DIP, HDI ShenZhen YiShi Electronic ... Electronic Manufacturing Services (EMS) and a good reputation in PCB assembly, especially in DVR cards, PCI cards, cameras, ... Solution: - Circuit boards 1 to 28 layers PCB layout, fabrication, PCB assembly;- Active and passive components source is directly ...