Core Viewpoint - China Nonferrous Mining (01258.HK) reported a serious incident at its subsidiary, which resulted in a temporary suspension of operations and adjustments to its production plans for 2025 [1] Group 1: Incident Details - On June 30, a wall failure occurred in the shaft of the Qianbixi Southeast mine, leading to one casualty [1] - Following the incident, the company immediately suspended operations and conducted expert evaluations on-site [1] - Investigations revealed that the shaft walls were damaged due to long-term erosion from water layers, despite prior reinforcement efforts [1] Group 2: Remediation Efforts - The company has initiated comprehensive repair work on the shaft walls to ensure long-term safety [1] - A specific reinforcement plan was developed, including the installation of dense steel rings and filling with C30 concrete to create a composite wall structure [1] - Repair work on the secondary shaft has been completed, while repairs on the main shaft are ongoing, expected to finish by mid-December [1] Group 3: Production Impact - Due to the temporary suspension of the Qianbixi Southeast mine, the company has revised its copper production forecast for 2025 from 160,000 tons to 140,000 tons [1]
中国有色矿业(01258.HK)因副井事故停产修复 全年铜产量降至14万吨