On October 8, 2021, a sunny day, the fourth China International Import Expo was held in Shanghai National Convention and Exhibition Center. Ms. Jellylee, deputy general manager of our company, went to the National Convention and Exhibition Center to visit major material R & D and production enterprises at home and abroad, President Chen of MITSUBISHI comprehensive materials Co., Ltd., the main person in charge of Mader China and Leidi (China) Relevant personnel of building materials Co., Ltd. and German pipeline giant Kensen company conducted friendly and in-depth discussions, mainly discussed the R & D and application of inorganic new materials in various fields, established cooperation intention, and looked forward to further close cooperation in the later stage.