In 2007 CPC purchased 190 million barrels of crude, accounting for about half of all domestic imports. Unlike Formosa Plastics Corporation, which makes its profits by major exporting of refined oil-based products, 80 % of CPC's oil products go to supply the domestic market.
2007 年，中油買進了 1 億 9 千萬桶的原油，約佔國內總進口量的一半；而與台塑靠原油裂解後大量出口獲利不同，中油生產的各種油品，80％皆供應國內市場。