摘要
On June 28th, 2009 Zhengzhou Guangyang Industry Co., Ltd. and Hebei Yadong ChemicalGroup Co., Ltd. held a ground breaking ceremony for 100 000 t/a PPG (polyetherpolyol) project in Jizhou of Hebei province.According to a source from Zhengzhou Guangyang, the project is expected to go onstream by the end of 2009.