[Heyuan Gases: Yichang Industrial Park's 500 tons/year tungsten hexafluoride and other products have obtained safety production licenses] On September 22, Heyuan Gases (002971.SZ) announced that the company's holding subsidiary Heyuan New Materials has recently completed the renewal of safety production licenses and will use nitrogen trifluoride 50 0 tons/year, 16,000 tons/year of tetraethyl silicate, 500 tons/year of tungsten hexafluoride and other products are included in the license scope, marking that the main production lines and products of the Yichang Electronic Special Gas and Functional Materials Industrial Park project have entered the formal production stage, which will have a positive impact on the company's future operating performance.