... circuit board/keyboard circuit board Welcome to Eastwin! Our PCB board manufacture and PCB assembly service: o PCB board file with parts ... by customers o PCB board made, circuit board parts purchased by us o PCB board with parts assembled o Electronic ... 6,upto 18 layerOrder Quantity1 to 50,000Board ShapeRetangular,round,slots,cutouts,complex,irregularBoard TypeRigid, Flexible, Rigid-flexibleBoard ...