... PCBA, Print Circuit Board Assembly Circuit boards PCB layout, fabrication, PCB assembly, Active and passive compo ShenZhen YiShi ... : - Circuit boards 1 to 28 layers PCB layout, fabrication, PCB assembly;- Active and passive components source is ... PCB circuit diagram, such as Gerber files, CAD files etc; * List of materials (BOM) to include: -Components Manufacturer's part number, type of part ...