云图控股：雷波牛牛寨东段磷矿储量达1.81亿吨，设计采矿规模为400万吨/年，属于大型矿山

Group 1 - The core viewpoint of the article is that Yuntu Holdings (002539.SZ) is progressing with the construction of the Niuniuzhai East Section phosphate mine, which has a reserve of 181 million tons and a designed mining scale of 4 million tons per year, but the complex geological conditions are leading to a longer construction period [1] - Since the start of construction in August 2023, the company has completed part of the shaft construction, equipment transportation system setup, and power supply system, and is currently advancing the tunnel excavation project in an orderly manner [1] - To enhance the comprehensive utilization level of the phosphate mine, the company plans to optimize the mining scheme in the first half of 2025 and will invest funds according to the actual engineering milestones [1] Group 2 - The total planned investment for the Niuniuzhai East Section phosphate mine is 2.528 billion, and since the start of construction, approximately 28.81% of the total investment has been made, with 0.1 million expected to be invested in the first half of 2025 [3] - There are concerns regarding the pace of project construction, with questions raised about whether the project will be completed by 2030 based on the current investment ratio [3] - The company is urged to provide updates on the investment progress and production timeline in future announcements [1]