Hengyuan Refining Co. Bhd. is engaged in the refining and manufacturing of petroleum products. The company produces liquefied petroleum gas, propylene, gasoline, jet fuel, diesel and sulphur products. Its refining process include distillation, hydroprocessing, reforming and platforming, catalytic cracking, secondary treating, and blending. The company was founded on September 19, 1960 and is headquartered in Port Dickson, Malaysia.