Investment Rating - The industry investment rating is "Positive" and maintained [13] Core Viewpoints - The upgrade of AI special glass fiber is accelerating, with a focus on the volume increase of high-end products [6][10] - Cement prices continue to decline, while glass inventory has decreased month-on-month [8][9] - Recommended investment in domestic substitution chains and African chains, with existing leading companies as the main line for the year [10] Summary by Relevant Sections Cement Market - In late June, the average shipping rate of national cement enterprises was 43%, down approximately 0.8 percentage points month-on-month and 2.4 percentage points year-on-year [8] - The national average cement price decreased by 1.0% month-on-month, with most regions experiencing price declines [8][26] - The national cement average price was 357.74 yuan/ton, down 3.71 yuan/ton month-on-month and down 37.90 yuan/ton year-on-year [26] Glass Market - The domestic float glass market saw a slight improvement in transactions, but prices remained stable [9] - The total inventory of monitored provinces was 59 million weight boxes, a decrease of 1.52 million weight boxes, with a decline of 2.51% [38][39] - The national average glass price was 69.17 yuan/weight box, down 0.81 yuan/weight box month-on-month and down 18.17 yuan/weight box year-on-year [39] Special Glass Fiber - China National Materials Technology is a leading domestic supplier of special glass fiber, benefiting from the upgrade trend [7] - The company is expected to achieve a monthly production capacity of 6 million meters by the end of 2026, with a projected performance of approximately 3.8 billion yuan in 2025-2026 [7] - The upgrade from M8 to M9 in copper-clad laminates is expected to drive the scale increase of high-end products [6] Recommended Companies - Recommended companies include China National Materials Technology, Meijia Xincai, and Punaite Co., Ltd. for domestic substitution [10] - Keda Manufacturing is recommended for the African chain, benefiting from local market advantages [10] - The report also highlights the potential of Sanhe Tree and Rabbit Baby in the existing stock chain [10]