Yak Technology (002409.SZ): Currently has no business related to tungsten hexafluoride.

Wisdom Financial News APP reported that Yake Technology (002409.SZ) has announced a stock price abnormality notice, stating that the company's main business directions are electronic materials and LNG insulation board. The products of the electronic materials business mainly include semiconductor precursors, photoresist and supporting reagents, electronic powder materials, fluorine-containing specialty gases, and semiconductor material delivery systems (LDS). The company has noted discussions online regarding its specialty gas business, with its fluorine-containing specialty gas products mainly consisting of carbon tetrafluoride and sulfur hexafluoride, and currently no business related to tungsten hexafluoride. In the fiscal year 2025, the revenue from fluorine-containing specialty gases accounted for 5.79% of the company's total revenue.