凯美特气(002549.SZ)：主营业务不涉及智慧教育

Group 1 - The core business of the company does not involve smart education [1] - The main products of the company include high-purity carbon dioxide, hydrogen, liquefied gas, pentane, and electronic specialty gases [1] - These products are widely used in various industries such as electronics, chemicals, beverages, food, tobacco, petroleum, metallurgy, and agriculture [1]