点击注册小程序 特别申明： 本订阅号中所涉及的证券研究信息由光大证券研究所编写，仅面向光大证券专业投资者客户，用作新媒体形势下研究 信息和研究观点的沟通交流。非光大证券专业投资者客户，请勿订阅、接收或使用本订阅号中的任何信息。本订阅号 难以设置访问权限，若给您造成不便，敬请谅解。光大证券研究所不会因关注、收到或阅读本订阅号推送内容而视相 关人员为光大证券的客户。 报告摘要 事件： Alphamin Resources于3月13日宣布:董事会已做出艰难决定，暂停公司在刚果民主共和国(DRC)中东部北基 伍省瓦利卡莱区 Bisie锡矿的采矿作业。这一决定是在最近动乱武装团体向西推进，2025年3月9日占领了 位于Goma西北部约110公里的Osso-Banyungu区首府Nyabiondo以及2025年3月12日进一步向西13公里的 Kashebere之后做出的。公司的员工和承包商的安全仍然是其首要任务，目前无法保证。所有运营采矿人员 正在从矿场撤离，只留下必要人员。 点评： 2023年4月，缅甸佤邦发布通知，称从2023年8月起，缅甸佤邦锡矿将停止一切勘探、开采、加工等作业。根据 USGS数据，2023年缅甸锡 ...

行业动态 行业近况 3月13日晚，Alphamin Resources宣布[1]，已暂停其刚果（金）东部Bisie矿山的运营，目前公司正在撤离 所有采矿作业人员，仅留少量必要人员负责矿山的维护、安全和基本管理。据ITA国际锡协数据[2]，Bisie 矿是全球第三大锡矿，2024年锡精矿产量达1.73万吨，约占全球锡矿供应量的6%。 [1] https://mp.weixin.qq.com/s/HUHlEyQgT3QT2NryYF3i7A [2]https://mp.weixin.qq.com/s/HUHlEyQgT3QT2NryYF3i7A [3]https://mp.weixin.qq.com/s/y8XwJ7PlaPS7Tk3dnpV8Ag [4]https://mp.weixin.qq.com/s/y8XwJ7PlaPS7Tk3dnpV8Ag 锡交易所和国内社会库存较2024年高点大幅去化。我们认为，供应扰动或将推升下游产业链安全库存需 求，从而激化短期供需矛盾。 据iFinD，截至3月13日，LME、SHFE锡库存分别为3500、7082吨，较2024 年高点-57%、-60%，均位于近五年38%分位 ...

Group 1: BC Equipment and Manufacturing Industry - BC is currently the most visible expansion direction, with leading manufacturers planning to add 40-65 GW/year of BC capacity from 2024 to 2027, alongside a significant increase from the existing 780 GW TOPCon upgrades [1] - BC technology offers significant equipment flexibility, primarily involving 2-3 laser processes and 1 coating process, with a notable increase in the use of LPCVD equipment [1] - Risks include slower-than-expected technological advancements in BC, reduced willingness to upgrade battery capacity, and potential market competition deterioration [1] Group 2: Banking Sector and Debt Market - Some commercial banks have recently sold bonds from OCI and AC accounts to realize floating profits, which may amplify market impacts in a volatile debt market [2] - The current selling behavior of banks is not expected to trigger a market panic, with short-term adjustments facing less pressure compared to long-term [2] Group 3: Policy and Economic Impact - Hohhot has introduced new childbirth subsidy details, with the maximum subsidy reaching 100,000 yuan per child, indicating a potential nationwide rollout of similar policies [4] - If extrapolated nationwide, the fiscal subsidy scale is estimated to reach 901 billion, 1,363 billion, and 1,825 billion yuan from 2025 to 2027, still falling short of international standards [4] Group 4: Defense and Aerospace Industry - The 2025 Government Work Report highlights deep-sea technology for the first time, indicating a focus on deep-sea development and potential investment opportunities in acoustic and titanium materials [6] - Risks include accelerated competition among countries, potential underperformance in enterprise capacity expansion, and fluctuations in raw material costs [6] Group 5: Coal Industry - The coal sector has seen improved expectations, leading to a rise in stock prices, driven by high dividend styles, stable thermal coal prices, and optimized stock structures [8] - The bottom price expectation for coal is becoming clearer, with potential price increases if demand improves and inventory decreases [8] Group 6: Property Services Sector - The historical issues facing private property service companies have dissipated, with strong dividend attractiveness and sustainable cash flow [10] - The upcoming 2024 annual reports are expected to confirm high dividends and a vision for stable long-term development [10] Group 7: Tin Industry - The suspension of mining operations by Alphamin Resources in the Democratic Republic of Congo could lead to a significant reduction in global tin supply, potentially increasing tin prices above 300,000 yuan/ton [12] - The expected supply gap in 2025 may widen due to the suspension and slower-than-expected recovery of Myanmar's tin mines [12] Group 8: New Materials in Military Industry - Defense spending is projected to grow by 7.2% in 2025, indicating a recovery in demand for military materials and potential valuation recovery for upstream companies [13] - The military industry is at a turning point, with significant demand expected to be released in 2025 [13]