Hello! Wo is a card owned by China Unicom. On April 28th, 2009, China United Network Communications Group Company released a brand-new business brand-"Wo" in Beijing. "Wo Wo" was officially released as the single main brand of all businesses under China Unicom, and the new brand slogan "Wonderful in Wo Wo" marked the start of China Unicom's full-service business strategy, which was the first time that China telecom operators adopted the single main brand strategy.