永泰能源：公司所属汇宏矿业一期3000吨/年高纯五氧化二钒选冶生产线正在进行产线优化建设，尚未投产

Group 1 - The core point of the article is that Yongtai Energy's subsidiary, Dunhuang Huihong Mining, has not yet commenced production of its 3,000 tons/year high-purity vanadium pentoxide production line, which is expected to be operational in the fourth quarter of 2024 [2] - The company is currently focusing on optimizing the production line through design enhancements, process improvements, and equipment performance upgrades [2]