YGE [YINGLI GREEN ENERGY CO] 6-K: (Original Filing)
[Yingli Green Energy Announces Amendment to Supply Agreements with Wacker Chemie AG BAODING, China, December 18, 2018 Under the terms of the Amendment, several operating entities of the Company in China will continue to purchase polysilicon from Wacker from 2019 to 2028 with quantities and price spec]