玻璃主力合约向下触及1100元/吨，日内跌超4%。纯碱主力合约日内跌幅达2%，现报1242元/吨。

Group 1 - The main contract for glass has fallen to 1100 yuan/ton, with a daily decline exceeding 4% [1] - The main contract for soda ash has experienced a daily drop of 2%, currently reported at 1242 yuan/ton [1]