央视网消息：西安航天基地应急管理局9月21日晚通报，9月20日20时14分，公安接警，航天基地航天新 佳园二期（又名"天浩上元郡二期"）小区发生一名11岁男童坠落通风井事故。 一、基本情况 经公安机关调查，该男童于2025年9月20日19时30分许在同学家吃完饭后，与3名同学前往28号楼附近玩 捉迷藏游戏，在选择躲藏地方时，该男童到28号楼单元门西侧两个墙体之间，此处设置了1立方米大小 的泡沫隔离物，该男童侧身挤进后，不慎从未覆盖严实的通风井口坠落至负三层。接到报警电话后，公 安、消防、120急救等部门迅速赶到现场参与救援，20时40分许，该男童被救出后立即送往医院救治， 22时09分，经抢救无效不幸身亡。 二、调查处置情况 事故发生后，航天基地管委会高度重视，第一时间成立专项工作组开展工作。经现场勘察和调查，初步 认定该事故是一起安全责任事故。系建设单位对通风井区域安全防护不到位，物业日常管理责任不落 实，未按照安全风险分级管控制度对小区存在的安全隐患进行风险辨识，未及时制止不安全行为所致。 目前，公安航天分局已控制3名相关责任人，同相关部门依法开展进一步调查处置。 三、后续工作 专项工作组将继续围绕事故调 ...

Core Viewpoint - The tragic incident involving six university students at a mining facility has prompted the Inner Mongolia government to establish an investigation team to conduct a higher-level inquiry into the circumstances surrounding the event [1][8]. Company Summary - On July 24, 2025, Zhongjin Gold Co., Ltd. (600489.SH) released a statement regarding the incident where six students from Northeast University fell into a flotation tank during a visit to the company's subsidiary, resulting in their drowning [2]. - Following the incident, the leadership of Zhongjin Gold took the matter seriously, activating emergency protocols and promptly reporting to local government departments [3]. - As of July 24, Zhongjin Gold's stock price was 15.19 yuan, reflecting a decline of 4.41%, with a total market capitalization of approximately 736 billion yuan [9]. Industry Summary - The flotation tank, a critical area in the mineral processing plant, experienced a grid plate failure, raising questions about maintenance and safety inspections [3]. - Industry expert insights indicate that the flotation process involves mixing ore with water and chemicals to separate metals, with a typical slurry composition of 60% water and 40% ore, making it difficult for individuals to swim if they fall in [4][5]. - Safety inspection standards for grid plates in mining companies are governed by national standards, such as GB4053 and GB16423-2020, which outline design loads, safety parameters, and daily equipment checks [6][7].