On February 10th, the quoted price for industrial-grade sodium metabisulfite (content 96.5%) in the Shanghai market was 2,300 yuan per ton, with an increase of 50 yuan per ton. The inventory accounted for approximately 30%. PriceSeek analysis of sodium metabisulfite, with a long-short rating of 1.5, indicates that the spot price of sodium metabisulfite is quoted at 2,300 yuan per ton, rising by 50 yuan per ton in a single day. The inventory is only around 30%, suggesting tight market supply or strong demand. This situation directly drives up the spot price, forming a significant bullish factor. Combined with the low inventory, prices may continue to rise in the short term, supporting market optimism.