Yueyang Changling Equipment Research Institute Co., Ltd.，Is from the China Petrochemical Corporation Changling refining company restructuring from the high-tech enterprises. The company is engaged in the development of large-scale scientific and technological development, product production and technical service, such as petrochemical, metallurgy, electric power and other fields, to carry out long-term operation and energy saving and emission reduction of moving and static equipment. It has become a strong technical force and advanced equipment. Has a wealth of field experience in the professional team……