Group 1 - The construction and infrastructure industry is currently valued at historical lows, with significant support from funding sources [1] - The issuance of special bonds has reached 90% of the annual quota, and special government bonds have totaled 1.8 trillion yuan, indicating strong funding support for infrastructure [1] - The construction demand in regions such as Xinjiang and Tibet is noteworthy, reflecting a high level of infrastructure activity in central and western China [1] Group 2 - The Infrastructure ETF (159619) tracks the CSI Infrastructure Index (930608), which selects 50 listed companies involved in infrastructure construction, specialized engineering, engineering machinery, and housing construction [1] - The index primarily focuses on the industrial sector, covering sub-sectors such as infrastructure and specialized engineering, effectively reflecting the development status of China's infrastructure industry [1]