KongZhong Corporation, a leading provider of wireless value-added services and the operator of a leading wireless Internet portal in China, today announced its unaudited Q2 revenues had a 64 percent year-on-year jump to 30.07 million US dollars.  Revenues from the customers of China Unicom, China Telecom, and China Netcom accounted for approximately 23% of the total second quarter revenues, compared to 9% in the first quarter of 2006.   Yunfan Zhou, Chairmand and CEO, said "We believe we have maintained our no.2 position in terns of revenue in the Chinese WVAS industry. As previously announced, we anticipate challenges in the remainder of 2006 due to policy changes implemented by the telecommunication operators in China."