晨光新材：公司的产品正硅酸乙酯由四氯化硅和乙醇反应得到，四氯化硅为三氯氢硅和中间体生产过程中产生

Group 1 - The company has been asked by investors about the availability of the product Ethyl Silicate and its production capacity [2] - The company stated that Ethyl Silicate is primarily produced through the reaction of Silicon Tetrachloride and Ethanol, with Silicon Tetrachloride mainly generated from the production process of Trichlorosilane and intermediates [2] - The production capacity of Ethyl Silicate is ultimately determined by the capacity of Trichlorosilane, provided that Silicon Tetrachloride is not purchased externally [2]