工业硅主力合约日内跌超6.00%，现报8780元/吨。纯碱主力合约日内大跌6.00%，现报1253.00元/吨。

Group 1 - The main contract for industrial silicon has dropped over 6.00% in a single day, currently priced at 8,780 yuan per ton [1] - The main contract for soda ash has also experienced a significant decline of 6.00%, currently priced at 1,253.00 yuan per ton [1]