出海受益降息预期+AI新材料高景气，齐头并进

Group 1 - The AI new materials market experienced significant volatility this week, with adjustments on September 3-4 and a rebound on the 5th, influenced by market sentiment [1][2] - There has been no significant change in the fundamentals for AI copper foil and AI electronic cloth, maintaining a tight supply of high-end products, with a continued positive outlook on technology materials [2][3] - The price of photovoltaic glass increased week-on-week, coupled with expectations of reduced competition, indicating potential for phase profit recovery [3][4] Group 2 - The national average price of cement this week was 343 RMB/t, down 40 RMB year-on-year and down 2 RMB week-on-week, with an average shipment rate of 45.73%, up 0.13 percentage points week-on-week [4] - The average price of float glass this week was 1192.99 RMB/ton, with a week-on-week increase of 3.32 RMB/ton, reflecting a 0.28% rise [4] - The domestic price of fiberglass remained stable, with the average price of 2400tex alkali-free winding direct yarn at 3521.25 RMB/ton [4][5] Group 3 - The cement industry is expected to benefit from long-term capacity reduction effects due to "checking overproduction," which will push the industry's profit center upward [3] - The establishment of the China Building Waterproof Association's repair and waterproofing branch on September 4 indicates a move towards industry consolidation and standardization [6] - The "anti-involution" initiative proposed by the China Glass Fiber Industry Association aims to address competitive pressures within the fiberglass sector [6]