Where are many factories in Puyang?

The western suburbs of Puyang city. According to Baidu map, the western suburb of Puyang City is a factory gathering area supplemented by Zhongyuan Ethylene Petrochemical Co., Ltd., Puyang Fertilizer Plant, chlor-alkali chemical plant and methanol plant, with the largest number of factories. Puyang City is a prefecture-level city in Henan Province, located in the northeast of Henan Province, the lower reaches of the Yellow River, and at the junction of Hebei, Shandong and Henan provinces.