Yingli Green Energy (Yingli Solar) has signed a framework agreement with Xi'an LONGi Silicon Materials Corp. (LONGi) to cooperatively establish a vertically integrated production line of monocrystalline PV products from silicon wa...  more
Yingli and LONGi Partner for High-Efficiency Monocrystalline PV Production |
published 2015 年 06 月 18 日 15:27 |