Shares in Yingli rose sharply on the New York stock exchange on the news.

"This agreement extends the successful cooperation with Payom that we have enjoyed over a number of years, and also provides more visibility into the demand in major PV markets and our customer portfolio for 2010," said Liansheng Miao, Chairman and CEO of Yingli Green Energy.

Payom Solar CEO Jorg Truelsen, said, "This 51 MW sales contract is the largest PV module purchase agreement in our history, and demonstrates our confidence both in Yingli Green Energy and in the market outlook for 2010."

Baoding