1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - In August, domestic tin prices fluctuated strongly. The main reasons were the positive macro - atmosphere and the slow resumption of tin mines in Myanmar, which led to high ore prices and pushed up the center of tin prices. - On the supply side, the resumption of tin mines in Wa State, Myanmar was slow. The shortage of tin mines in Yunnan was still severe, with smelters' raw material inventory generally less than 30 days and low operating rates. Some smelting enterprises planned to conduct maintenance in September, further suppressing production. In Jiangxi, smelting enterprises maintained normal production, but the shortage of crude tin supply made it difficult to increase refined tin production. It is estimated that the refined tin production in September will decrease by 29.89% month - on - month. - On the demand side, it was the off - season for downstream consumption. Traditional consumption areas were weak. Although AI computing power increased some tin demand, the scale was still low, having limited impact on overall demand. The spot trading of tin was light due to weak terminal demand. - Overall, although the off - season consumption on the demand side was a bit weak, the short - term decline in supply was obvious. It is expected that tin prices will fluctuate mainly. [12][13] 3. Summary by Relevant Catalogs 3.1 Monthly Assessment and Strategy Recommendation - Cost end: Although the mining licenses in Wa State, Myanmar have been approved, the resumption progress is slow. It is expected that the tin ore supply will not significantly recover until the fourth quarter. In July, the domestic tin ore import volume was 10,200 tons (equivalent to about 4,335 metal tons), a month - on - month decrease of 13.71% and a year - on - year decrease of 31.79%, 688 metal tons less than in June. - Supply end: The slow resumption of tin mines in Myanmar and the shortage of tin mines in Yunnan led to low smelter operating rates. It is estimated that the refined tin production in September will decrease by 29.89% month - on - month. - Demand end: The consumption of electronic products such as smartphones and tablets was sluggish. The growth of emerging industries such as servers and AI glasses was fast but the scale was low, having limited impact on tin solder demand. After the end of the photovoltaic rush - installation, the component production decreased, leading to a significant decline in the demand for photovoltaic solder strips. The demand for tin in areas such as tin - plated sheets and chemicals was relatively stable. Downstream enterprises generally had low inventory levels and mainly purchased on - demand at low prices. [12] 3.2 Futures and Spot Market No specific analysis content is provided, only figures about the basis of Shanghai tin main contract and LME tin premium/discount are presented. [19] 3.3 Cost End - The short - term supply of tin ore is generally tight, and the processing fees remain at a low level. [27] 3.4 Supply End - The resumption of tin mines in Wa State, Myanmar is slow. Yunnan has a severe shortage of tin mines, and smelters' raw material inventory is generally less than 30 days. Some smelting enterprises in Yunnan plan to conduct maintenance in September, and the refined tin production in Jiangxi is difficult to increase due to the shortage of crude tin supply. It is estimated that the refined tin production in September will decrease by 29.89% month - on - month. [12] 3.5 Demand End - Semiconductor: China's semiconductor sales growth rate rebounded slightly, and global semiconductor sales maintained high growth. - Electronics: In the second quarter of 2025, the global PC shipments increased by 8.4% year - on - year. Mobile phone consumption continued to be sluggish, and it is predicted that the global smartphone shipments in 2025 will increase by 0.6% year - on - year to 1.24 billion units. The "trade - in" subsidy policy in the first half of the year stimulated the growth of consumer electronics to some extent, but the demand recovery was limited. - Automobile: In the first half of 2025, the new energy vehicle production increased by 40% year - on - year. - Home appliances: No overall summary is provided, but data on the production of various home appliances such as washing machines, air conditioners, refrigerators, and color TVs are presented. - Photovoltaic: There was a phased rush - installation in the first five months, with the installation volume growing by nearly 100% year - on - year. After the end of the rush - installation in June, the installation volume declined significantly. - Other: Tin consumption in the tin - plate field continued to decline, while the PVC output increased slightly year - on - year in the first half of the year. [46][49][55] 3.6 Supply - Demand Balance A supply - demand balance table from January 2023 to June 2025 is provided, including data on refined tin production, export, import, social inventory, social inventory change, and apparent consumption. [73]

Report Information - Report Title: Non-ferrous Metals Weekly Report (Refined Tin) [1] - Date: August 25, 2025 [1] - Author: Wang Wenhu [1] Investment Rating - No investment rating for the industry is provided in the report. Core Viewpoints - The expectation of the Fed's interest rate cut in September has increased, and the total inventory of domestic and foreign tin ingots has decreased. However, due to the复产 expectations of tin mines in Wa State, Myanmar and Congo-Kinshasa, the upside space for Shanghai tin prices may be limited. It is recommended that investors wait and see for the moment, paying attention to the support levels around 248,000 - 260,000 and the resistance levels around 271,000 - 279,000 for Shanghai tin, and the support levels around 30,000 - 32,000 and the resistance levels around 34,000 - 36,000 for London tin [2]. - The positive basis and negative monthly spread of Shanghai tin are within a reasonable range, which is due to the gradual复产 expectations of tin mines in Wa State, Myanmar and Congo-Kinshasa. However, the weakening employment supply - demand in the US has increased the expectation of the Fed's interest rate cut in the second half of the year, and there is an expectation of the domestic traditional consumption season changing from off - peak to peak. It is recommended that investors wait and see for arbitrage opportunities [5]. - The positive spreads of LME tin (0 - 3) and (3 - 15) contracts are within a reasonable range, and the Shanghai - London tin price ratio is lower than the 50% quantile of the past five years. This is due to the weakening employment supply - demand in the US increasing the expectation of the Fed's interest rate cut in the second half of the year, and the relatively low inventory of refined tin at the LME. It is recommended to wait and see for arbitrage opportunities in the spreads of LME tin (0 - 3) and (3 - 15) contracts [9]. Summary by Category Supply Side - **Tin Ore**: Myanmar's Wa State decided on July 11 that the first batch of 40 - 50 mines would resume production after paying fees (the initial incremental output does not exceed 10,000 metal tons and there is a 2 - 3 - month transmission period, with a total of 108 mines). Alphamin Resources announced on April 9 that the Bisie tin mine in North Kivu Province, Congo - Kinshasa, the world's third - largest, would resume production in stages (with production volumes of 17,300 and 20,000 tons in 2024 and 2025 respectively), and the power system repair would take more than 3 months. These factors may lead to a month - on - month increase in China's tin ore production and import volume in August [20]. - **Recycled Tin**: China's recycled tin production in August may increase month - on - month [21][23]. - **Refined Tin**: The capacity utilization rate of refined tin in Yunnan and Jiangxi has increased (remained flat) compared with last week. China's refined tin production and inventory in August may increase month - on - month. Indonesia's export volume in August may increase month - on - month, and the loss in imports and exports may lead to a month - on - month decrease in China's refined tin imports and exports in August [2][27][31]. - **Processing Fees**: The daily processing fees for domestic tin concentrates are fluctuating downward, which may indicate a tight supply expectation of domestic tin ore [16]. Demand Side - **Tin Solder**: The daily processing fees for photovoltaic solder strips have decreased month - on - month, which may lead to a month - on - month decrease in the capacity utilization rate and an increase in the inventory of China's tin solder in August [34]. - **Solder Strips**: China's solder strip imports in August may decrease month - on - month, while exports may increase month - on - month [36][38]. - **Tin - Plated Sheets**: China's tin - plated sheet production, imports, and exports in August may increase (decrease, increase) month - on - month [42]. - **Lead - Acid Batteries**: The capacity utilization rate of China's lead - acid batteries has increased compared with last week. Since tin is an important additive element in lead - acid batteries, this may also affect the demand for tin [44][47]. Inventory - China's refined tin social inventory has decreased compared with last week. The inventory of refined tin on the SHFE has decreased compared with last week, the inventory of refined tin at the LME has increased compared with last week, and the total inventory of domestic and foreign refined tin has decreased compared with last week [10][12]. Price and Spread - The basis of Shanghai tin is positive and within a reasonable range, and the monthly spread is negative and within a reasonable range [3][5]. - The spread of the LME tin (0 - 3) contract is positive and within a reasonable range, and the spread of the (3 - 15) contract is positive and within a reasonable range. The Shanghai - London tin price ratio is lower than the 50% quantile of the past five years [7][9].