Sinopec Great Wall Energy Chemical (Ningxia) Co., Ltd. (hereinafter referred to as Ningxia Energy & Chemical) was originally wholly-owned by Guodian Yinglit Company. In 2014, Great Wall Energy & Chemical held 95% of the company's equity through equity transfer and equity adjustment. Guodian Yinglit The group holds 5% equity. Ningxia Nenghua is located in Zone C of Ningdong Energy and Chemical Base in Ningxia, and is a large-scale circular economy demonstration enterprise in the National Ningdong Energy and Chemical Base. The company mainly produces electric power, cement and methanol, calcium carbide, acetic acid, 1,4-butanediol, polytetrahydrofuran, tetrahydrofuran, vinyl acetate, polyvinyl alcohol and other chemical products.

Guodian Yingli Te Ningdong Coal-based Chemical Co., Ltd. (abbreviated as Guodian Yingli Te Ningdong Company) is a wholly-owned subsidiary invested and established by Guodian Yingli Te Group. A platform for project investment, construction and operation management. The company was formally registered and established in June 2010 with a registered capital of 300 million yuan. It is mainly engaged in the production and sales of coal chemical products, electricity and heat.

At present, the company has 7 project branch companies, namely thermal power company, utility company, methanol company, polyvinyl alcohol company, acetic acid company, acetylene company and BDO company. The capacity of each project under construction is: 2×330MW cogeneration, 500,000 tons of methanol, 300,000 tons of acetic acid, 450,000 tons of vinyl acetate, 100,000 tons of polyvinyl alcohol, 750,000 tons of calcium carbide, 230,000 tons of acetylene, and 200,000 tons /Year 1,4-butanediol (BDO), 92,000 tons/year polytetrahydrofuran and 15,000 tons/year γ-butyrolactone. According to the plan, the parent company Guodian Yinglitong Group will use Ningdong Company as a platform to invest 60 billion yuan in six or seven years to build Guodian Yingli Te Ningdong Coal-based Polygeneration Chemical Industrial Park. The entire park will be divided into two phases to build nine poly-generation devices to produce three series of coal-based methanol series, coal-based acetylene series, and chlorine series, as well as 30 coal-based chemical products. At that time, a unique coal-based poly-generation chemical industry cluster and a national coal chemical industry demonstration base will stand proudly in the Ningdong Energy and Chemical Industry Base. At present, the construction of 7 projects in the first phase of the park has started.

Standing at the starting point of history, Guodian Yingli Te Ningdong Company will fully promote the construction of the project in accordance with the requirements of the scientific development concept, and make due contributions to the construction of a first-class energy and chemical industry group by Guodian Yingli Te Group, and for the Guodian Group Transforming enterprises and building a first-class comprehensive energy group to make due contributions.

The company began to use Shanghai Schneider Sunshine 10 sets of SRC-750SWG (flow rate 100m³/min, pressure 0.8MPa, voltage 10000V) air compressor in the polyvinyl alcohol project in 2012. This air compressor is currently a single domestic air compressor. The screw air compressor with the largest displacement is mainly used for acetylene gas transportation.