Gelonghui, February 21丨An investor asked Zhejiang Zhongcheng (002522.SZ) on the investor interactive platform, “Is EVOH Materials your company doing research?” The company replied that the company has always paid attention to and actively laid out research and development of new materials, new products, new equipment, and new processes. In the process of continuous development of products such as EVOH high barrier shrink film, it has carried out trial production and samples of nine-layer co-extruded EVOH barrier and air conditioning film products for food packaging.