Production technologies for high grade road asphalt from residues of middle Saudi Arab and Kuwait crudes were developed by Qilu Company,China Petroleum and Chemical Corporation and FRIPP.

• 中国石油化工股份有限公司齐鲁分公司与抚顺石油化工研究院合作,以沙特中质和科威特原油的渣油为原料,开发了制取高等级道路沥青的工艺技术。