It is mainly composed of Shandong Guangtong New Materials Co., Ltd., Shandong Guangyin New Materials Co., Ltd. and Qingdao Lilai Fine Chemical Co., Ltd. It is committed to the research and development and production of organic polymer materials such as Special nylon, fine chemical products, esters.

The new materials industry sector of Changyu Group has always complied with the national high-quality development requirements, with high-performance engineering materials, structural materials, new elastomers and advanced composite materials as the development focus, with the core of improving independent innovation capabilities. Changyu is striving to be at the forefront of strategic emerging industries and has developed special nylon, nylon modification, high-end nylon products, microbial preparation of long carbon chain diacids, environmentally friendly and efficient alcohol ester preparation and other new material preparation technologies, and continue to enter the high-end field and extend to downstream applications.

"Key Technologies for Industrial Preparation and Application of Long-carbon-chain Polyamide Resin" and "Research on Industrialization Technology of Special High Performance Engineering Plastics" jointly developed by Changyu Group, have been listed as "National Support Plan" and "National Key Research and Development Plan".

It is composed of Shandong Guangtong New Materials Co., Ltd., Shandong Guangyin DKK New Materials Co., Ltd., and Shandong Guangyin DKK Environment Technology Co., Ltd, focus on R&D and production of inorganic materials and products such asZirconium oxychloride, zirconium oxide, zirconium carbonate, nano-composite zirconium oxide, etc. The comprehensive capacity of zirconium industry chain is far ahead in the world.