液冷服务器板块持续走高，润禾材料等股创新高

Group 1 - The liquid cooling server sector continues to rise, with companies such as Runhe Materials, Cambridge Technology, and Zhongshi Technology reaching new highs during trading [1] - Longpan Technology, Yinlun Co., Chunzhi Technology hit the daily limit up, indicating strong market interest and investor confidence [1] - Other companies like Dayuan Pump Industry, Keda, Jieban Technology, Gaolan Co., and Shuguang Digital Innovation also experienced gains, reflecting a broader positive trend in the industry [1]