Jinzhou Sanfeng Technology Co., Ltd. is a production-oriented enterprise mainly engaged in the production of polymer materials and chemical intermediates. It was established in September 2020, covers an area of 123 acres, and has a total investment of 200 million yuan. It has built six Class A workshops and one Class C workshop, mainly producing polymer materials and intermediate products such as resveratrol, 4,4 '- dichlorodiphenyl sulfone, 4,4' - hydroquinone, high-temperature nylon, polyimide, etc.