Those units in Puyang belong to institutions.

China Petrochemical Company Limited, Zhongyuan Switch Petroleum Equipment Co., Ltd., etc.

1. The enterprises set up in Puyang mainly include state-owned enterprises, such as China Petrochemical Co., Ltd. and Henan Puyang National Grain Reserve.

2. Private enterprises: such as Henan Yinjinda New Materials Co., Ltd. and Zhongyuan Switch Petroleum Equipment Co., Ltd. ..

3. Foreign-funded enterprises: such as Badefort (Puyang) New Materials Co., Ltd. ..