In April 1948, the "May <>st Slogan" was issued, and Lijiazhuang is welcoming a group of group of visitors. In April 2008, the U.S.

was the only country in the world with a population of more than 1.3 billion people. In the same year, the United States was the world's largest economy, with a GDP of almost $1.4 trillion. In October 2009, the global economy was the largest in the history of the world, with an economy of nearly $2.2 trillion.