工业母机ETF（159667）近20日净流入超1.8亿元，政策驱动下国产机床高端化进程有望加快

Group 1 - The core viewpoint is that the "14th Five-Year Plan" emphasizes the importance of industrial mother machines, indicating that the domestic high-end machine tool sector is expected to accelerate its development driven by policy support [1] - There will be an increased demand for high-precision, high-stability, and highly integrated machine tools such as five-axis machine tools, CNC milling machines, and turning-milling composite centers in the high-end manufacturing sector [1] - The Industrial Mother Machine ETF (159667) tracks the China Securities Machine Tool Index (931866), which selects 50 listed companies involved in machine tool manufacturing and key component services to reflect the overall performance of the machine tool industry [1] Group 2 - The index constituents are primarily concentrated in the machinery equipment sector, focusing on the manufacturing industry, which exhibits a high degree of industry concentration [1]