Corporate Board Profile
Tech Score: 0/100
| Filing Date | Source Excerpt |
|---|---|
| 2010-11-12 | Yingwen Zhang Director |
| 2011-11-14 | In his early career he was a chemical-engineer, and then became a senior manager for several chemical corporations in China. Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. |
| 2012-11-19 | In his early career he was a chemical-engineer, and then became a senior manager for several chemical corporations in China. Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. |
| 2013-11-06 | In his early career he was a chemical-engineer, and then became a senior manager for several chemical corporations in China. Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. |
| 2014-11-20 | Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. Mr. Zhang’s extensive knowledge in areas of government regulation and policies, his experience as director of a China listed company, as well as his vast experience in senior management in SOE and the private sector, qualify him as an independent director of our company. |
| 2015-10-29 | In his early career he was a chemical engineer, and then became a senior manager for several chemical corporations in China. |
| 2016-10-28 | Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. Mr. Zhang's extensive knowledge in areas of government regulation and policies, his experience as director of a China listed company, as well as his vast experience in senior management in SOE and the private sector, qualify him as an independent director of our company. |
| 2017-11-03 | Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. Mr. Zhang’s extensive knowledge in areas of government regulation and policies, his experience as director of a China listed company, as well as his vast experience in senior management in SOE and the private sector, qualify him as an independent director of our company. |
| 2018-10-25 | Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. Mr. Zhang's extensive knowledge in areas of government regulation and policies, his experience as director of a China listed company, as well as his vast experience in senior management in SOE and the private sector, qualify him as an independent director of our company. |
| 2019-11-06 | Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. Mr. Zhang’s extensive knowledge in areas of government regulation and policies, his experience as director of a China listed company, as well as his vast experience in senior management in SOE and the private sector, qualify him as an independent director of our company. |
| 2020-11-16 | Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. He was a chemical engineer and senior economist, and then became a senior manager for several chemical corporations in China. |
| 2021-11-15 | Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. Mr. Zhang’s extensive knowledge in areas of government regulation and policies, his experience as director of a China listed company, as well as his vast experience in senior management in SOE and the private sector, qualify him as an independent director of our company. |
| 2022-11-14 | Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. He was a chemical engineer and senior economist, and then became a senior manager for several chemical corporations in China. |
| 2023-11-07 | In his early career he was a chemical engineer and senior economist, and then became a senior manager for several chemical corporations in China. |
| 2024-11-12 | Mr. Zhang graduated from the Chemical Engineering Department of Tianjin University in 1967. Mr. Zhang’s extensive knowledge in areas of government regulation and policies, his experience as director of a China listed company, as well as his vast experience in senior management in SOE and the private sector, qualify him as an independent director of our company. |
Data sourced from SEC filings. Last updated: 2026-02-03