March 20th News: On March 20th, the quoted price for industrial-grade sodium metabisulfite (content 96.5%) in Hebei was 2,600 yuan per ton, an increase of 100 yuan per ton. The prices of raw materials such as sulfur and soda ash remained high and volatile, with cost pressures driving up the price of sodium metabisulfite. Chempricehub's analysis of sodium metabisulfite: Bull-Bear Score: 1. The spot price of sodium metabisulfite increased by 100 yuan per ton to 2,600 yuan per ton, mainly driven by the high and volatile costs of raw materials such as sulfur and soda ash, indicating strong support from the demand side, which is favorable for the spot market. Sulfur, Bull-Bear Score: 0. Sulfur prices remained high and volatile. As a raw material for sodium metabisulfite, cost pressures persist, but the article does not specify the direction of its price movement, indicating a neutral trend in the spot market. Soda Ash, Bull-Bear Score: -0.5. The spot price of soda ash remained high and volatile, with cost pressures being transmitted downstream. Combined with futures data, such as the closing price of the 2605 contract at 1,202 yuan per ton (down 10 points) and a decrease in open interest, showing a slight bearish trend, possibly reflecting expectations of oversupply or weak demand.