February 2nd News: On February 2nd, the quotation for industrial-grade sodium metabisulfite (content 96.5%) in the Shanghai market was 2,300 yuan per ton, with a price increase of 50 yuan per ton. The inventory accounted for approximately 20%. Chempricehub analysis of sodium metabisulfite: Bullish-Bearish Score: 1. The article indicates that the spot price of sodium metabisulfite has increased by 50 yuan per ton to 2,300 yuan per ton, with inventory accounting for only 20%, suggesting tight supply or increased demand, which constitutes a significant bullish influence on the spot price. Low inventory reinforces market optimism, and it is expected that prices may continue to rise in the short term.