Guangzhou Futures Exchange: Effective from the start of trading on December 26, 2025, the minimum order size for each opening position in the trading orders of lithium carbonate futures contracts LC2601, LC2602, LC2603, LC2604, LC2605, LC2606, LC2607, LC2608, LC2609, LC2610, LC2611, and LC2612 will be adjusted from 1 lot to 5 lots, while the minimum order size for each closing position will remain at 1 lot.