Core Viewpoint - The article discusses a tragic incident at Kanglong Huacheng, a leading CXO (Contract Research Organization) in China, where two laboratory workers died due to asphyxiation caused by improper safety protocols during an experiment [2][3][5]. Group 1: Incident Overview - On June 3, 2025, Kanglong Huacheng experienced a fatal accident resulting in the deaths of two employees, Guo and Jing, due to oxygen deficiency in a laboratory setting [2][3]. - The accident was classified as a general production safety incident caused by non-compliance with safety regulations, specifically the improper use of a flexible isolator that led to a significant drop in oxygen levels [3][5]. Group 2: Accident Details - The two deceased were responsible for temperature recording and equipment adjustments for a crystallization experiment and were working the night shift when the incident occurred [3][4]. - The workers entered a flexible isolator without proper safety measures, leading to their asphyxiation after nitrogen was introduced into the isolator, which reduced the oxygen concentration below the safe threshold of 19.5% [3][4]. Group 3: Investigation Findings - The investigation revealed that the workers did not follow the company's established safety protocols for using the flexible isolator, which contributed to the accident [5]. - The investigation team criticized Kanglong Huacheng for inadequate enforcement of safety regulations and insufficient training for employees regarding safety procedures [5][6]. Group 4: Recommendations and Penalties - The investigation recommended a fine of between 300,000 to 1,000,000 yuan for Kanglong Huacheng and suggested a penalty of 40% of the annual income for the company's CEO, who was deemed responsible for the incident [5][6]. - Additional penalties were recommended for various management personnel involved in safety oversight, suggesting fines of 20% to 50% of their annual income [6].

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].