On March 17, information from the Ministry of Public Security stated that the Investigation Police Agency of the Ministry of Public Security has initiated a criminal case regarding legal violations occurring at Duc Giang Chemical Group Joint Stock Company (Duc Giang Chemical Group) and has prosecuted 14 defendants.
Mr. Dao Huu Huyen, born in 1956, hails from Hung Yen. He holds a Bachelor's degree in Chemistry and is the Chairman of the Board of Directors of Duc Giang Chemical Group. Besides business activities, Mr. Dao Huu Huyen is also involved in sports, particularly volleyball. He is the owner and sponsor of the Duc Giang Chemical Women's Volleyball Club. This team has competed for many years in the Vietnam National Volleyball Championship and is one of the key training and development centers for many athletes of the Vietnamese women's national volleyball team.
Through monitoring activities in the mineral resource exploitation sector and chemical production and business, the Police Department for Investigation of Corruption, Economic, and Smuggling Crimes (Investigation Police Agency of the Ministry of Public Security) detected signs of serious legal violations at Duc Giang Chemical Group Joint Stock Company.
Focusing on the investigation, initially the Police Department for Investigation of Corruption, Economic, and Smuggling Crimes clarified several organized violations, such as: illegally dumping millions of tons of waste, covering dozens of hectares in the Tang Loong Industrial Zone, Tang Loong commune, Lao Cai province, causing environmental pollution and seriously affecting the lives of local residents; illegally exploiting hundreds of thousands of tons of Apatite ore, valued at hundreds of billions of dong; keeping transactions off the accounting books, concealing revenue, causing tens of billions of dong in tax losses to state assets. These violations at Duc Giang Chemical Group occurred over a long period, causing public discontent.
Based on investigation results, on December 25, 2025 and March 14, 2026, the Police Department for Investigation of Corruption, Economic, and Smuggling Crimes initiated the criminal case "Environmental Pollution; Violation of regulations on research, exploration, exploitation of resources; Violation of accounting regulations causing serious consequences", occurring at Duc Giang Chemical Group and related units; simultaneously, prosecuting 14 defendants.
Among them, one defendant was prosecuted for three crimes: "Violation of accounting regulations causing serious consequences", "Violation of regulations on resource exploitation", and "Environmental pollution", stipulated in Articles 221, 227, and 235 of the Criminal Code, namely Dao Huu Huyen, Chairman of the Board of Directors of Duc Giang Chemical Group and concurrently Chairman of the Member Council of Duc Giang Chemical Single Member Limited Liability Company - Lao Cai.

Mr. Dao Huu Huyen, Chairman of the Board of Directors of Duc Giang Chemical Group, was prosecuted for three crimes: "Violation of accounting regulations causing serious consequences", "Violation of regulations on resource exploitation", and "Environmental pollution".
Defendant Pham Van Hung, Director of Duc Giang Chemical Single Member Limited Liability Company - Lao Cai, was prosecuted for two crimes: "Violation of accounting regulations causing serious consequences" and "Environmental pollution", stipulated in Article 221 and Article 235 of the Criminal Code.
Three defendants at Duc Giang Chemical Group Lao Cai Branch were prosecuted for the crime "Violation of regulations on resource exploitation", stipulated in Article 227 of the Criminal Code, including: Trinh Quoc Khanh, Director; An Van Bang, Director of Mine Mining Area 25; and Nguyen Thi Huong, Chief Accountant.
Nine defendants were prosecuted for the crime "Violation of accounting regulations causing serious consequences", stipulated in Article 221 of the Criminal Code, including: Dao Huu Duy Anh, Vice Chairman of the Board of Directors, former General Director; Dao Thi Mai, Chief Accountant; Hoang Thuy Ha, Accountant; and Nguyen Thi Phuong Anh, Cashier of Duc Giang Chemical Group; Pham Thi Bich, Chief Accountant of Duc Giang Chemical Single Member Limited Liability Company - Lao Cai; Dang Tien Duc, Director and Pham Thi Bich Phuong, Chief Accountant of Vietnam Apatite Phosphorus Joint Stock Company; Tran Minh Tuan, Director and Nguyen Thi Phuong Thao, Chief Accountant of Duc Giang Chemical Single Member Limited Liability Company - Dak Nong.
Regarding preventive measures, prohibiting leaving the place of residence for 7 defendants including: Pham Thi Bich Phuong, Dang Tien Duc, Dao Thi Mai, Hoang Thuy Ha, Nguyen Thi Phuong Anh, Nguyen Thi Phuong Thao, and Pham Thi Bich; arresting defendants for temporary detention for the remaining 7 defendants.
After the Supreme People's Procuracy (Department 3) approved, the Police Department for Investigation of Corruption, Economic, and Smuggling Crimes executed the aforementioned Decisions and Orders in accordance with legal regulations.
The Police Department for Investigation of Corruption, Economic, and Smuggling Crimes is continuing to consolidate documents and evidence proving the criminal acts of the prosecuted defendants; simultaneously, expanding the investigation to comprehensively and thoroughly handle the organized violations of the defendants and related organizations and individuals; verifying, seizing, freezing assets to thoroughly recover assets for the State.