Ubu ni ubwato bwa kabiri butwarwa na LNG mu gice cyo hejuru no hagati cyuruzi rwa Yangtze. Yubatswe hubahirizwa amategeko agenga imyuka ya gaze ikoreshwa na peteroli. Sisitemu yo gutanga gaze yatsinze ubugenzuzi n’ishami rishinzwe kugenzura ubwato bw’ubuyobozi bushinzwe umutekano wo mu nyanja ya Chongqing.