国瓷材料成交额创上市以来新高

Group 1 - The core point of the article highlights that Guocera Materials has achieved a record trading volume of 1.617 billion yuan, marking the highest since its listing [2] - The latest stock price of Guocera Materials has increased by 19.97%, with a turnover rate of 7.31% [2] - The trading volume on the previous trading day was 394 million yuan [2] Group 2 - Guocera Materials, officially known as Shandong Guocera Functional Materials Co., Ltd., was established on April 21, 2005, with a registered capital of 997.048299 million yuan [2]