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The estimated additional demand for steel for photovoltaic brackets in 2023 is about 4.85 million tons. Photovoltaic brackets are referred to as the "skeleton" of photovoltaic power plants. They are special structural components designed to support, fix, and rotate photovoltaic modules in photovoltaic power generation systems. Together with photovoltaic modules, combiner boxes, inverters, and other core equipment, they form the photovoltaic power generation system. As an important supporting structure in the photovoltaic system, its core requirements are safety and ease of installation. Solar mounting systems are mainly composed of columns, main beams, purlins, welding parts, and foundations. They can be divided into fixed brackets and tracking brackets based on whether the angle can be freely adjusted later. Among them, fixed brackets can be further divided into fixed brackets and fixed adjustable brackets, and tracking brackets can be divided into single-axis tracking brackets and dual-axis tracking brackets. The market size of the photovoltaic bracket industry expands with the growth of photovoltaic installed capacity. The overseas tracking bracket industry started early, with mature technology and higher recognition downstream. At the same time, the construction of large domestic projects and other factors have brought broad market prospects for the application of tracking brackets, which are expected to penetrate rapidly. According to the forecast of the China Photovoltaic Industry Association, assuming a capacity ratio of 1.2, the global penetration rates of tracking brackets from 2022 to 2025 are projected to be 60%, 64%, 68%, and 72% respectively. Assuming the average selling price of brackets changes by 0%, -3%, -2%, and -2% based on 2020, the total market size of brackets (tracking + fixed) in 2021 is estimated to be approximately 66.5 billion yuan, and is expected to reach 117.7 billion yuan by 2025, with a compound annual growth rate of 15.4%. The market size of tracking brackets in 2021 is estimated to be around 31.4 billion yuan, and is expected to reach 65.1 billion yuan by 2025, with a compound annual growth rate of 20.0%. The compound annual growth rate of the tracking bracket industry in the next five years will be higher than that of the fixed bracket industry.