Group 1: Report Industry Investment Rating - No relevant content provided Group 2: Core Viewpoints of the Report - The mudslide accident at the GBC mine in the Grasberg copper mine in Indonesia has a significant impact on global copper supply, and the impact on the copper industry chain has just begun [7] Group 3: Summary by Directory 1. Event Review and Background - On September 8, a mudslide occurred at the GBC mine in the Grasberg copper mine in Indonesia, causing 2 deaths and 5 missing, and the mine has been shut down since the accident [1] - The Grasberg copper mine in Indonesia is the world's third - largest copper mine, with a copper production of 816,500 metric tons in 2024, accounting for 3.55% of the global copper production of 23 million tons [1] - In 2024, the daily output of copper concentrate at the Grasberg mine was 208,365 tons, with the GBC mine accounting for 64% (about 133,800 tons), the DMLZ mine accounting for 32% (about 64,900 tons), and the Big Gossan mine accounting for 4% (about 8,000 tons) [1] - The Grasberg copper mine is an important asset of Freeport - McMoRan, an international mining company. The Indonesian subsidiary PT Freeport Indonesia holds 48.76% of the Grasberg underground mine, and the rest is held by Indonesian state - owned enterprises [2][3] 2. Production Impact Analysis - After the accident on September 8, all mining operations in the Grasberg mine in Indonesia stopped. The investigation is expected to be completed by the end of 2025 [4] - The impact on Freeport Indonesia's third - quarter sales is not significant. After the accident, the estimated third - quarter copper sales decreased by about 4% compared to July, but it is still estimated to be 433,592 tons due to inventory [4] - The DMLZ and Big Gossan mines are expected to restart in mid - fourth quarter of 2025 (November). The GBC mine will start phased restart and capacity increase in the first half of 2026 [5] - Freeport Indonesia's copper sales in the fourth quarter of 2025 will be negligible, estimated at 20,184 metric tons [5] - The GBC mine's PB2 and PB3 production blocks will restart and increase production in the first half of 2026, PB1S of PB1C will start in the second half of 2026, and the rest of PB1C will restart in 2027 [5] - In the phased restart scenario, the estimated copper production in 2026 is 501,220 tons, which is 61.3% of the 2024 production [6] 3. Market Outlook - After Freeport announced force majeure at the Grasberg copper mine in Indonesia, copper prices on the LME and SHFE rose significantly. The impact of this accident on the global copper supply will be large and long - lasting [7]