百川股份：已构建起磷酸铁/针状焦→磷酸铁锂/石墨负极→磷酸铁锂电池→电池资源化利用的产业链

Group 1 - The company is actively laying out its lithium battery materials industry chain, which includes the construction of a closed-loop system for lithium-ion batteries [2] - The established industry chain consists of phosphoric acid iron/needle coke → lithium iron phosphate/graphite anode → lithium iron phosphate battery → battery resource utilization [2] - The company is inquiring about future layouts in lithium mines, indicating ongoing interest in expanding its lithium-related operations [2]