According to a 8-K form submitted by to the U.S. Securities and Exchange Commission, the Chinese business-to-business e-commerce company will invest USD15 million to acquire a 10% stake in, a subsidiary of

The 8-K form shows that the search engine and its affiliates signed the first round preferred stock purchase agreement with investors on October 2, 2010. These investors included, Yunfeng Fund, and Guangzi Group, an investment fund owned by’s chairman and CEO Charles Zhang.

Under the stock purchase agreement, will acquire a 10% stake in for USD15 million, Yunfeng Fund will acquire a 16% stake for USD9 million, and Guangzi Group will acquire a 16% stake for USD24 million. Meanwhile, will maintain a 53% stake in