About Us

Puyang Long de Young New Material Co., Ltd. was established in June 2017, a limited liability company with a registered capital of 50 million yuan. Constructed production lines of 3,000 tons for producing pyromellitic anhydride. The company is located in Puyang Industrial Park, Henan Province, with a total investment of 315 million yuan, covering an area of 34041 m2.


The main product is pyromellitic anhydride, The chemical name is 12,4,5 benzoic dianhydride, referred to as PMDA, which is an important chemical raw material and widely used. Polyimide is a new synthetic material with high temperature resistance, deep cold resistance, impact resistance and excellent electrical and mechanical properties. It can also be processed to thin films, fibers, enameled wires, impregnating paint, foam plastics, injection parts and adhesives. PMDA has excellent physical and chemical properties and is more and more used daily. At present, there is a big gap in the market and a good market prospect.


The company adheres to the concept of market-based service market, seeks development with quality and reputation, strives to be the industry leader, and provides customers with various solutions.

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