For education and discussion only. Not for commercial use. China probably will surpass the U.S. as the world's largest exporter of manufactured goods this year, propelled by its embrace of advanced technology, a study by a U.S. industry group says. "The rapid growth of Chinese manufactured exports, with an increasingly high-tech orientation, presents a major challenge to U.S. competitiveness,'' said the report by Ernest Preeg, a senior fellow at the Manufacturers Alliance in Arlington, Virginia, an association that represents companies such as Caterpillar Inc. and Motorola Inc. In 2001 China exported half the amount of factory goods the U.S. did....