摘要
On December 31 st,Gansu Yinguang ChemicalIndustry Group Co.,Ltd.(Yinguang Chemical),a subsidiary of China North Industries GroupCorporation (CNIGC),announced that its thirdphase of 100 000 t/a TDI (toluene diisocyanate)expansion project has been put into operationin mid December 2009.Yinguang Chemical completed constructionon the second phase project in 2006 and ex-