If you are planning to import control pcb,Website:http://www.ljpcb.com, Longjiang Circuit International Limited is one of the leading control pcb manufacturers and suppliers, welcome to contact with our factory.Type: control PCBfinal board thickness: 1.8mmfinal copper thickness: 1OZsolder mask colour: bluesilk screen colour: whiteMin. line width/space: 0.125mm/0.125mmmin diameter of finished hole: 0.25mmsurface finish: HAL LF