… companies to seek new ways to differentiate themselves. For example, Yingli had bought a sponsorship of a German soccer (football) team and advertised during the World Cup. For its … companies to seek new ways to differentiate themselves. For example, Yingli had bought a sponsorship of a German soccer (football) team and advertised during the World Cup. For its … companies to seek new ways to differentiate themselves. For example, Yingli had bought a sponsorship of a German soccer (football) team and advertised during the World Cup. For its …