On May 19th,PetroChina Tarim OilfieldCompany’s 450 000 t/a synthetic ammoniaunit and 800 000 t/a urea unit,both China’s biggest upon singlecapacity,were anno
【正】 The Ministry of Industry and InformationTechnology on May 1st,2010 made publicthe entry threshold for soda ash sector to regulateits development and cont