PAHSCO Ranked the Top 5% in Corporate Governance Evaluation for the 8th Consecutive Year PAHSCO is evaluated as the top 5% TPEx-listed company for the 8th year in a row and also the 6%~20% company with a market value between TWD5 to 10 billion in 2021 Corporate Governance Evaluation. For more information, see Taipei Exchange "Corporate Governance Evaluation System"