China's assessed sodium pyroantimonate production is expected to decline by approximately 21.21% MoM in May [SMM data]

According to SMM's assessment, the production of first-grade sodium pyroantimonate in China in May 2025 is expected to decline by approximately 21.21% MoM from the previous month. After experiencing a significant rebound in March, production remained basically stable in April, only to decline again this month, which came as a surprise to many market participants. However, many market participants consider this a normal phenomenon. Since late February, antimony prices have been rising continuously, and orders for glass factories have also started to increase. The production increase of many producers in March was related to receiving more orders, and this situation continued into April. However, with the sharp decline in antimony market prices in April, orders from the terminal side also came to a standstill. Consequently, this affected the procurement demand for sodium pyroantimonate, and it was reasonable for many producers who failed to secure orders to adjust their production. Looking at the detailed data, among SMM's 11 survey respondents, 2 producers were in a state of shutdown or commissioning in May, 3 sodium pyroantimonate producers experienced an increase in production, but 3 producers also saw a significant decline in production, with one producer even experiencing a reduction of more than half. This led to a significant overall decline in production. Market participants anticipate that the national production of sodium pyroantimonate in June is unlikely to continue declining compared to May, and it is more likely to remain stable or increase slightly.

Note: Since July 2023, SMM has been publishing its assessed national production of sodium pyroantimonate. Benefiting from SMM's high coverage rate in the antimony industry, SMM surveyed a total of 11 sodium pyroantimonate producers, distributed across 5 provinces nationwide, with a total sample capacity exceeding 75,000 mt and a total capacity coverage rate as high as 99%.

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