Nantong Liyang Chemical Co., Ltd. was established in October 2007, located in Yangkou Chemical Industrial Park, Rudong County, Jiangsu Province, with a registered capital of 80 million yuan. It is a wholly-owned subsidiary of Nantong Acetic Acid Chemical Co., Ltd. Abbreviated as "Vinegarization Shares", stock code: 603698) was founded in 1959 and was listed on the Shanghai Stock Exchange on May 18, 2015. It is a high-tech enterprise and a key high-tech enterprise of the National Torch Program.

The company is a second-level enterprise of safety production standardization and an environmental credit green card enterprise. It mainly produces high-end special chemicals such as "Jiangsu High-tech Product" acetonitrile, "National Key New Product" and "Jiangsu High-tech Product" 2-cyanopyridine and 3-cyanopyridine. Has passed ISO9001 quality management system, ISO14001 environmental management system, ISO45001 occupational health and safety management system and ISO 50001 energy management system certification.

The company always adheres to the business tenet of "quality first, customer first, continuous improvement and continuous improvement", and constantly improves the internal management of the enterprise, enhances the competitiveness, and takes the road of sustainable development under the guidance of scientific development.