摘要
On April 29th,2009 Shaanxi Yanchang Petroleum(Group) Co.,Ltd.(Yanchang Petroleum)held a ceremony for starting the constructionof its second phase acetic acid project inYuheng Industry Park,Yulin,Shaanxi provinceof western China.With an investment of RMB12.2 billion,thesecond phase includes 400 000 t/a acetic