Walro electronic., co ltd was established in 2003. at first we started as a home business and from 2007 we set up our hong kong walro company . we export our products to almost every corner around the world. based on our strong engineering force, we have developed many popular items in market, such as promotional gifts, pvc led keychain, card light, solar keychain, solar flashlight, led fan, customized led keychain light, ball/keychain, flashing gifts some of calculator. as an initial step, it