March 18 News
On March 18, driven by increased market demand and rising raw material costs, the quoted price for industrial-grade sodium metabisulfite (96.5% purity) in the Shanghai market reached 2,600 yuan per ton, marking an increase of 100 yuan per ton. Inventory levels are approximately 20%.

Chempricehub Analysis of Sodium Metabisulfite, Bull-Bear Score: +1
The article indicates that on March 18, 2026, the quoted price for industrial-grade sodium metabisulfite in the Shanghai market rose by 100 yuan per ton to 2,600 yuan per ton, primarily driven by increased market demand and rising raw material costs. The low inventory level (approximately 20%) suggests tight supply, further supporting the upward price trend. These factors significantly favor spot prices, with expectations of continued strength in the short term. Therefore, a mildly bullish score (+1) is assigned.