长久物流：主营业务目前不涉及无人驾驶技术研发或制造业务

Core Viewpoint - The company, Changjiu Logistics (603569.SH), has stated that its main business does not currently involve the research or manufacturing of autonomous driving technology [1] Group 1: Business Operations - The company has received inquiries from several main engine manufacturers following the release of the national over-limit policy, indicating a potential increase in business interactions [1] - Pricing adjustments are being made gradually, reflecting a trend of increasing quotes from manufacturers [1]