Established in 2003.SHENZHEN KEYUANTAI CO.,LTD is one factory which specialized in researching all kinds of adapter and charger .manufacture plant covers an area of 3000 square meters .we have more than 200 skilled employees. All of our products can be design 5w-600w . two hundred series for clients choice .all of our products include AC/DC adapter ,DC/DC adapter .PFC power supply . Switching power supply . Charger ,Security equipments and LED power supply .and large power of iron shell power supply ,also OEM is most welcome .we can finish the products in one week from we got the order . Company have attained the SGS quality system certificate and most our products have attai ... more