康 龙 化 成 是 国 内 头 部 CXO （ 医 药 合 同 外 包 ） 公 司 ， 成 立 于 2004年，为国内外制药公司提供全流程的研发生产服务，有 20000多名员工。事故发生前夜，两名死者均负责一款创新药 析晶实验的反应釜温度记录和设备调试工作。 作者：张铃 封图：图虫创意 2025年6月3日，康龙化成（03759.HK/300759.SZ）发生一起死亡事故，造成两人缺氧窒息死亡， 死者为实验室工作人员郭某、井某学。 经事故调查组认定，此次事故是一起因违章作业引发的一般生产安全事故。 经中国安全生产科学研究院技术鉴定分析，此次事故直接原因为柔性隔离器内通入氮气，导致氧气 浓度急剧下降至窒息阈值（<19.5%），作业人员未采取防护措施进入，因缺氧窒息死亡。 康龙化成是国内头部CXO（医药合同外包）公司，成立于2004年，为国内外制药公司提供全流程 的研发生产服务，有20000多名员工。事故发生前夜，两名死者均负责一款创新药析晶实验的反应 釜温度记录和设备调试工作。 经济观察报近日注意到，北京市经开区政府官网在9月初详细披露了一起发生在三个月前的实验室 死亡事故： 6月2日晚19时许，郭某、井某学负责 ...

Core Viewpoint - The article reports on a fatal laboratory accident at Kanglong Chemical (康龙化成), which resulted in the deaths of two employees due to asphyxiation caused by a lack of oxygen after nitrogen was introduced into a flexible isolator [1][2]. Summary by Sections Accident Details - The accident occurred on June 3, 2025, when two laboratory staff members, Guo and Jing, died from asphyxiation due to a significant drop in oxygen levels caused by nitrogen being introduced into the flexible isolator [1][2]. - The investigation revealed that the accident was a result of non-compliance with safety protocols, specifically the failure to use protective measures when entering the isolator [2][4]. Company Background - Kanglong Chemical is a leading CXO (Contract Research Organization) in China, established in 2004, providing comprehensive research and production services to pharmaceutical companies, employing over 20,000 staff [2]. Investigation Findings - The investigation concluded that the two deceased employees did not follow the company's established safety procedures for using the flexible isolator, which contributed to the accident [4]. - The investigation team criticized Kanglong Chemical for inadequate enforcement of safety regulations and insufficient training for employees regarding safety protocols [4][5]. Recommendations and Penalties - The investigation recommended a fine of between 300,000 to 1,000,000 yuan for Kanglong Chemical, and suggested a penalty of 40% of the annual income for the company's CEO, Lou Xiaoqiang, due to his leadership responsibility in the incident [4][5]. - Additional penalties were recommended for various management personnel, suggesting fines of 20% to 50% of their annual income for those responsible for safety oversight [5].