Fubao battery-grade spot basis index -1,620 yuan/ton (unchanged). Battery-grade
lithium carbonate 140,850 yuan/ton (-1,500). Industrial-grade lithium carbonate
(composite) 138,350 yuan/ton (-1,500). Premium battery-grade lithium carbonate
141,850 yuan/ton (-1,500). Lithium hydroxide index 126,333.33 yuan/ton (-1,500).
Metallic lithium index 1,032,500 yuan/ton (unchanged). Fubao brine-derived
lithium sulfate discount factor 76.5% (+0.5 pts).