云铝股份：公司铝产品大部分在国内销售，仅有少量铝焊材产品出口欧洲

Group 1 - The core viewpoint of the article indicates that Yun Aluminum Co., Ltd. primarily focuses on the domestic market for its aluminum products, with only a small portion of aluminum welding materials being exported to Europe [2] Group 2 - The company has confirmed that the majority of its aluminum products are sold within China, highlighting a strong domestic market presence [2] - The export activities are limited, with only a minor category of products, specifically aluminum welding materials, being sent to European markets [2]