techcharm electronics (oem&odm) is an enterprise exclusively with welldone's own investment her scope and field of business contains batteries of cell phone, cameras, pdas , notebooks, and other electronic devices. our website http://www.techcharm.com for more information or contact with hansen@techcharm.com for your reference, our main customers are sonyericsson, gvc, dbtel, haier, hisense,eastcom etc.