Petrochemical Materials
materials saving and the utilize of materials
replacement of thin materials by thick materials
Acrylic Fiber Chemical Plant Fushun Petrochemical Company
Acrylic Fibres plant of daqing petrochemical company
China PetroChemical Corporation
中国石油化工总公司
中国石化胜利油田有限公司海洋石油开发公司
中国石化股份公司石油勘探开发研究院
中国石化
China petrochemical industry
China’s petrochemical industry
crust-mantle petrological and petrochemical struct
Dagang Petrochemical Company
Dalian Petrochemical Company
Daqing Petrochemical Company
Daya Bay Petrochemical Zone
fine petrochemical industry
fine petrochemical material
four along petrochemical enterprises
general petrochemical works
integration of petroleum refining and petrochemical production