According to the latest data from China Customs, in December 2025, China's caustic soda imports totaled 760 metric tons; of which, solid caustic soda imports amounted to 700 metric tons, while liquid caustic soda imports reached 60 metric tons. China's caustic soda exports totaled 369,000 metric tons, comprising 59,400 metric tons of solid caustic soda and 309,600 metric tons of liquid caustic soda.

In 2025, China's cumulative caustic soda imports reached 8,900 metric tons, marking a year-on-year decrease of 45.1%. This included cumulative imports of 8,500 metric tons of solid caustic soda and 400 metric tons of liquid caustic soda. China's cumulative caustic soda exports reached 4.1011 million tons, a year-on-year increase of 33.6%. Among these, cumulative solid caustic soda exports amounted to 671,500 tons, a year-on-year increase of 42.1%, while cumulative liquid caustic soda exports reached 3.4296 million tons, a year-on-year increase of 32.1%.

In 2025, the top five export destinations for China's liquid caustic soda were Indonesia (38.3%), Australia (37.4%), Taiwan, China (7.3%), the United Arab Emirates (3.0%), and Papua New Guinea (2.9%). The top five export destinations for solid caustic soda will be Vietnam (10.5%), Uzbekistan (7.9%), Indonesia (7.5%), Kazakhstan (6.1%), and Ghana (4.8%).