Google (NASDAQ: GOOG) will partner with Shanghai-based venture capital firm Ceyuan Ventures to invest in Chinese download accelerator and peer-to-peer file sharing network operator Thunder Network Technology Co. Ltd., according to a rumor reported by eNet. A spokesperson for Shenzhen-based Thunder (also known by its Chinese name Xunlei) said that the company will close its third round of investment in two weeks. A Google spokesperson had no comment. Thunder Network's previous rounds of funding were for US$1 million and US$10 million from from IDG and Morningside Technologies, respectively. Thunder's peer-to-peer file sharing software has been downloaded 75 million times and the site has over 100 million users.