Winna electronics researches &develops and manufactures with global sales kinds of powersupply convectors with low voltage.Winna power conversion products,covering switching power supply, ACadaptor and charger, are applicable for communication products, computer peripheral, consumerelectronics, medical healthcare, car charger and businessequipments etc.   Furthermore, we also provide competitive powersupply design proposals, coveringsmart-portable equipments, set top box, network monitoringequipments and program control exchange etc. In short, wecan build a custom at your needs.          Â