Lotte Chemical Titan (formerly known as Titan Petchem) Proudly Malaysia's first and largest integrated producer of olefins and polyolefins, and one of the largest polyolefins producers in South-East Asia. Lotte Chemical Titan'? main products are olefins (ethylene and propylene) and polyolefins (polyethylene and polypropylene). It has ten world-class manufacturing plants located on two integrated industrial sites in Pasir Gudang and Tanjung Langsat, Johor.