天宜上佳：拟变更证券简称为天宜新材

Core Viewpoint - Tianyi Shangjia (688033.SH) plans to change its stock abbreviation to Tianyi New Materials while keeping its full name and stock code unchanged [1] Group 1 - The company announced that the decision to change the stock abbreviation was approved during the 35th meeting of the third board of directors held on May 23, 2025 [1]