摘要
The China National Petroleum Corporation (CNPC), set up in July 1983, is a trans-trade and trans-regional comprehensive economic entity. The establishment of the CNPC has produced a great change in the country’s petrochemical industry. Since its founding, the corporation has completed four projects for producing 300, 000-ton ethylene, three large projects for producing fertilizers and two large projects for producing chemcial fibre, built and expanded three oil refineries in Luoyang. Shijiazhuang and Fujian,
