TOPSHALL(DONGGUAN)ELECTRONICS&TECHNOLOGY CO.,LTD major in electronic products of manufacturing,Website:http://www.topshall-switch.com, Importing and exporting, such as Piezo switches, metal pushbuttons, waterproof pushbutton switches, Illuminated tact switches, Rocker switches, Power sockets, Fuse holders & blocks and including various relative switch sets series of customization etc .