中船防务：近年来，公司固定资产投资主要聚焦于生产设施设备的填平补齐及升级改造

Group 1 - The core viewpoint of the article is that China Shipbuilding Defense (600685) is focusing its fixed asset investments on upgrading and improving production facilities to enhance production efficiency [1] Group 2 - The company has been actively responding to investor inquiries regarding its investment strategies [1] - The emphasis on production facility upgrades indicates a strategic move to optimize operational capabilities [1] - The investment approach reflects a broader trend in the industry towards modernization and efficiency improvements [1]