On August 4, 2021,Changzhou Betterial Film Technologies Co.,Ltd.(hereinafter referred to as "Betterial") and Xianyang City Equipment Manufacturing Industry Park Management Committee, Qindu District, Xianyang City, Successfully signed project investment. The agreement officially reached a cooperation intention, and the total investment of the project was about 500 million yuan in the company's investment in Shanxi Xianyang Investment. It has been gradually put into production in 2022.