龙高股份：目前经加工后的低品位锂云母精矿氧化锂含量约为1％~2％，产量约30吨/月

Group 1 - The company has established a pilot line to research lithium extraction technology from the tailings of its mining plant [2] - The processed low-grade lithium mica concentrate has a lithium oxide content of approximately 1% to 2% and a production capacity of about 30 tons per month [2] - The processes and production capacity are continuously being optimized [2]