Primeline Energy Holdings Inc. is an energy firm focused on the exploration, development, and extraction of oil and natural gas resources located offshore in the People's Republic of China. The company holds a 100% contractor's interest in a petroleum agreement with China National Offshore Oil Corporation for Block 33/07, which spans 4,397 square kilometers. Furthermore, it possesses a 49% stake in the active LS36-1 gas field, situated within Block 25/34 and covering 84.7 square kilometers in the East China Sea.