 With the Wall Street Business Report, I'm George Williams. Surveys of Chinese factory managers show a mixed outlook for the world's number two economy. The official purchasing managers index compiled by the China Federation of Logistics and Purchasing remained at 49.5 in June on a scale up to 100. A private sector survey was more optimistic, edging up to 51.8 from 51.7 in the previous month. The official PMI for new export orders slipped to 49.4