致5人不幸遇难 这家A股公司又涉安全事故，半个月前刚被追责

Group 1 - The company involved in the recent construction accident is China Communications Signal Group Co., Ltd., which has a significant role in railway construction and control systems in China [1] - The company was established in 2001 with a registered capital of 500 million yuan, with China Communications Signal holding 65% and China Railway Zhengzhou Group holding 35% [1] - China Communications Signal is a major player in the rail transit construction sector, providing products and services to various railway bureaus and cities, covering over 80% of operational and under-construction urban rail transit lines in China [1] Group 2 - Another subsidiary of China Communications Signal, Beijing Modern Signal Engineering Consulting Co., Ltd., was held responsible for a previous major collapse incident in Shenzhen, which resulted in 13 fatalities and significant economic losses [2] - The investigation into the Shenzhen incident identified multiple parties, including Beijing Modern Signal, as having management and oversight failures that contributed to the accident [3] - Recommendations for administrative penalties were made against the responsible parties, including a directive for Beijing Modern Signal to submit a written self-reflection to its parent company [3]