China-Places.com a répertorié environ 31 Plantes chimiques dans Yancheng. Certains des mieux notés Plantes chimiques dans Yancheng sont- Yancheng National Chemical Industry Limited Company, Yancheng Jinye Chemical Industry Limited Company, Jiangsu Zhijiang Chemical Co. Ltd., Yancheng Jinbiao Chemical Industry Co. Ltd., Jiangsu Gadot Nuobei Biochemical Co. Ltd., Jiangsu Jiannong Agrochemical Co. Ltd., Yancheng Kaiwei Chemical Industry Limited Company, Jiangsu Jiannong Pesticide Chemical Industry Limited Company, Huanghai Iron and Steel Co. Ltd. & Xiangshui Lihua Chemical Industry Limited Company.