On May 7, Shandong Binhuo raised the price of liquid caustic soda. The price of 32% ion-exchange membrane caustic soda was quoted at 610 RMB/ton, up by 20 RMB/ton from the previous trading day. Actual transactions are negotiable, and the liquid caustic soda plant is operating normally. Chempricehub assessed caustic soda with a bullish-bearish score of 1. On the spot side, on May 7, Shandong Binhuo increased its 32% ion-exchange membrane caustic soda price by 20 RMB/ton to 610 RMB/ton, with normal plant operations, providing upward support for spot caustic soda prices. On the futures side, on May 6, the main contract of caustic soda (SH2607) on the Zhengzhou Commodity Exchange closed at 2,109 RMB/ton, up by 58 RMB/ton from the previous trading day, with relatively high trading activity. The spot price increase positively boosted futures prices.