Robin Li, founder and chief executive officer of the search engine company Baidu Inc and the richest man on the Chinese mainland, has invested in, a company that started by mainly selling computers, communication and electronics over the Internet. When measured by its market share, is the biggest website selling directly to consumers in China. Li is the latest in a series of famous investors who have wanted to own part of, a company valued at about $10 billion at the end of last month. plans to list in the United States no later than 2012, and hopes to raise $2 billion from the capital markets, according to Liu.