… anonymous, but the rapid expansion of the market had led many of the companies to seek new ways to differentiate themselves. For example, Yingli had bought a sponsorship of a … anonymous, but the rapid expansion of the market had led many of the companies to seek new ways to differentiate themselves. For example, Yingli had bought a sponsorship of a … anonymous, but the rapid expansion of the market had led many of the companies to seek new ways to differentiate themselves. For example, Yingli had bought a sponsorship of a …