1 (85) | China Petroleum and Chemical Corporation * | CHN | ![]() | |
2 (486) | Beijing Academy of Agriculture and Forestry Sciences | CHN | ![]() | |
3 (531) | China National Petroleum Corp * | CHN | ![]() | |
4 (776) | PetroChina Co Ltd | CHN | ![]() | |
5 (935) | PowerChina Huadong Engineering Corp Ltd, China | CHN | ![]() | |