Brief introduction of Shaanxi Yanchang Petrochemical Construction Co., Ltd.

"Yanchang Chemical Construction" is a listed company Yangling Qinfeng Agricultural Science and Technology Co., Ltd. led by Shaanxi Yanchang Petroleum (Group) Co., Ltd. with the correct decision of Shaanxi Provincial Party Committee and Provincial Government and the strong support of Provincial State-owned Assets Supervision and Administration Commission. With the approval of Shaanxi Administration for Industry and Commerce, the name of the company was changed from Yangling Qinfeng Agricultural Science and Technology Co., Ltd. to Shaanxi Yanchang Petrochemical Construction Co., Ltd., and Yanchang Chemical Construction Company was successfully listed on the Shanghai Stock Exchange on February 26th, 2008, becoming the only listed company in the field of petrochemical construction in China.

Yanchang Chemical Construction Company is a wholly-owned subsidiary of Shaanxi Chemical Construction Engineering Co., Ltd..

Shaanxi Chemical Construction Engineering Co., Ltd. is a large-scale enterprise with the first-class qualification of national chemical and petroleum engineering general contracting. At the same time, the company also has the general contracting qualification of mechanical and electrical equipment installation, housing construction and municipal public works. Qualification of contracting construction for steel structure, anti-corrosion and thermal insulation, fire fighting equipment engineering and earthwork engineering. D 1, D2 pressure vessel design qualification, A2, A3, D 1, D2 pressure vessel manufacturing qualification, boiler and special equipment installation qualification.