On June 18, Shandong Dezhou Shihua raised its liquid caustic soda prices. The acceptance quotation for 32% ion-exchange membrane caustic soda increased by RMB 10/ton to RMB 775/ton, and for 50% ion-exchange membrane caustic soda, it rose by RMB 20/ton to RMB 1,100/ton. Actual orders negotiable. The company operates a 400,000-ton chlor-alkali plant.