On February 5, the quotation for industrial-grade sodium metabisulfite (content 96.5%) in the Shanghai market was 2,300 yuan/ton, an increase of 50 yuan/ton, with inventory accounting for approximately 30%. PriceSeek analysis of sodium metabisulfite indicates a bullish-bearish score of 1. The article shows that on February 5, the quotation for industrial-grade sodium metabisulfite in the Shanghai market was 2,300 yuan/ton, an increase of 50 yuan/ton from the previous period, representing a rise of about 2.22%. At the same time, inventory accounted for around 30%, indicating tight supply and increased demand. The low inventory level (typically normal inventory is above 50%) further supports the upward price trend, which is favorable for the spot market. This reflects a short-term imbalance between market supply and demand, and it is expected that spot prices may continue to rise moderately, albeit with limited gains, representing a generally positive development.