Taiwan
The Oil Refining company in Taiwan with the highest Gross Profit Margin is NAK Sealing Technologies Corporation (Taiwan Stock Exchange: 9942.TW) at 41.29%.
The Oil Refining company in Taiwan with the lowest Gross Profit Margin is Ho Tung Chemical Corp. (Taiwan Stock Exchange: 1714.TW) at 9.44%.
The top 10 Oil Refining companies in Taiwan by Gross Profit Margin are NAK Sealing Technologies Corporation, Namchow Holdings Co., Ltd., China Steel Chemical Corporation and Ho Tung Chemical Corp..
The bottom 10 Oil Refining companies in Taiwan by Gross Profit Margin are Ho Tung Chemical Corp., China Steel Chemical Corporation, Namchow Holdings Co., Ltd. and NAK Sealing Technologies Corporation.