冠城新材(600067.SH)：公司电磁线产品主要供应境内企业(包括境外主体设立的境内机构)

Group 1 - The core viewpoint of the article is that Guancheng New Materials (600067.SH) primarily supplies its electromagnetic wire products to domestic enterprises, including those established by foreign entities within China, and does not have direct export business overseas [1] Group 2 - The company engages in the domestic market without involvement in international exports [1]