Taiwan
The Oil Refining company in Taiwan with the highest Operating Income Margin is National Petroleum Co., Ltd. (Taiwan Stock Exchange: 9937.TW) at 3.33%.
The Oil Refining company in Taiwan with the lowest Operating Income Margin is Formosa Petrochemical Corporation (Taiwan Stock Exchange: 6505.TW) at 2.16%.
The top 10 Oil Refining companies in Taiwan by Operating Income Margin are National Petroleum Co., Ltd. and Formosa Petrochemical Corporation.
The bottom 10 Oil Refining companies in Taiwan by Operating Income Margin are Formosa Petrochemical Corporation and National Petroleum Co., Ltd..