The concept of superhard materials continues to dominate, Chujiang new materials and National Machinery Precision Engineering both hit the limit up.

Superhard materials concept continues to be strong, with Chujiang New Materials and Guoji Jinggong hitting limit up, Huifeng Diamond rising more than 15%, Li Liang Diamond, Sifangda, Boyun New Materials, and Hengsheng Energy following the trend.