Gabe Collins, “Shaanxi Yanchang Petroleum: The Biggest Chinese Oil Company You Probably Never Heard of,” China Oil Trader™, No. 2 (30 May 2012). INSIGHTFUL AND ACTIONABLE ANALYSIS OF CHINA’S OIL & GAS SECTOR. Of China’s four largest oil companies, CNPC/PetroChina, Sinopec, and CNOOC are well known. In a sample Google search, each name garnered more … Continue reading Shaanxi Yanchang Petroleum: The Biggest Chinese Oil Company You Probably Never Heard of