... etcOur PCB board manufacture and PCB assembly service: * PCB board file with parts list provided by customers * PCB board made, ... 3.0mm, or 120milsV-Score Depth20-25% of board thicknessDesign File FormateGerber RS-274,274D,Eagle and AutoCAD's DXF,DWG ... certificate upon customers' requirement.1,material supply and inspection2,process control and testBest after-sale servicesales direct line: 86 - 571 - ...