Which listed company in Jiangsu has been deeply involved in the field of "replacing steel with plastic" for 20 years?

Nanjing dragon. According to Sohu. Com, with the steady and healthy development of the national economy and the continuous promotion of "replacing steel with plastic" and "replacing wood with plastic", modified plastics have also made rapid development. Because of its energy saving and high efficiency, it has become an important part of the national plastic industry. After 20 years of hard work in the industry, Nanjing Julong Company is committed to the research, development, production and sales of modified engineering plastics. "Julong" brand nylon modified engineering plastics is the first series of products introduced to the market by the company, and it is in a leading position in domestic technology in nylon modified materials for key components such as high-speed rail and automobile engine.