Group 1 - The core viewpoint of the article is that Dongfang Shenghong (000301.SZ) has confirmed its production capacity for solvents used in battery electrolytes, specifically EC and DMC [1] - The company currently has a DMC production capacity of 70,000 tons per year and an EC production capacity of 38,000 tons per year [1] - The production facilities are operating smoothly, indicating stable operations [1]