通信设备板块盘初拉升，长飞光纤、通宇通讯封板涨停

Group 1 - The communication equipment sector experienced a significant rally on August 28, with stocks such as Yangtze Optical Fibre and Communication, Tongyu Communication hitting the daily limit up [1] - Tianfu Communication and Xinke Mobile both saw increases of over 9%, indicating strong market interest [1] - Other companies like Dekoli and Zhenyou Technology also followed the upward trend, suggesting a broader positive sentiment in the sector [1]