SunSirs: Brief Analysis of China's Caustic Soda Import and Export Data in 2025

According to the latest data from China Customs, in December 2025, China's caustic soda imports totaled 0.076 million tons; of which, solid caustic soda imports amounted to 0.07 million tons, and liquid caustic soda imports reached 0.006 million tons. China's caustic soda exports totaled 36.9 million tons; of which, solid caustic soda exports were 5.94 million tons, and liquid caustic soda exports were 30.96 million tons.

In 2025, China's cumulative caustic soda imports reached 8,900 metric tons, a year-on-year decrease of 45.1%. This included 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, up 42.1% year-on-year, while cumulative liquid caustic soda exports totaled 3.4296 million tons, rising 32.1% year-on-year.

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%).

As an integrated internet platform providing benchmark prices, on January 27th, the benchmark price of caustic soda according to SunSirs was 660.00 RMB/ton, a decrease of 10.57% compared to the beginning of the month (738.00 RMB/ton).

Application of SunSirs Benchmark Pricing：

Traders can price spot and contract transactions based on the pricing principle of agreed markup and pricing formula (Transaction price=SunSirs price + Markup).

If you have any inquiries or purchasing needs, please feel free to contact SunSirs with support@sunsirs.com.