China's sodium pyroantimonate production assessment in September is expected to increase significantly by around 11% MoM [SMM data]

According to SMM's assessment, China's production of first-grade sodium pyroantimonate in September 2025 is expected to increase significantly by approximately 11% MoM. After experiencing significant fluctuations in production for several consecutive months, and following two consecutive months of pullbacks in July and August, production rebounded sharply in September. This led many market participants to note that, after the summer demand off-season, the traditional demand growth of the September-October peak season has arrived as expected. Although the increase is not substantial, the improvement at the end of Q3 is still a positive development. In detail, among the 13 enterprises surveyed by SMM, two producers were shut down or in the debugging stage in September, five sodium pyroantimonate producers saw some growth in production, and one producer experienced a decline. Consequently, overall production of first-grade sodium pyroantimonate in China increased in September. Market participants expect that the likelihood of a decline in national sodium pyroantimonate production in October compared to September is relatively small. As October arrives and the market continues to move out of the off-season, the chances of production remaining flat or increasing slightly are greater.

Note: Since July 2023, SMM has been publishing its assessed national production of sodium pyroantimonate. Benefiting from SMM's high coverage rate of the antimony industry, the survey covers a total of 13 sodium pyroantimonate producers, distributed across six provinces in China, with a total sample capacity exceeding 86,000 mt and a total capacity coverage rate as high as 99%.

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