A-share chemical fiber stocks opened higher across the board, with Jilin Chemical Fiber, Taihe New Materials, Sanfangxiang, and Zhongfu Shenying hitting the daily limit, Jilin Carbon Valley rising more than 20%, and Wanwei High-tech, Mengtai High-tech, Shuangxin Materials, Youfu Shares, and Youcai Resources following suit.