宁波联合：子公司进出口公司开展的出口贸易业务收入占公司整体营业收入的比例不高

Group 1 - The core viewpoint of the article is that Ningbo United (600051) has indicated that the revenue from its subsidiary's export trade business constitutes a low percentage of the company's overall operating income [1] - The trade revenue from the EU region is also reported to be a small portion of the company's total operating income [1] - The subsidiary primarily engages in direct exports to trade partners in the EU market [1]