PETRONAS Chemicals Group Berhad, an investment holding company, engages in production and sale of chemicals. The company operates through Olefins and Derivatives, Fertilisers and Methanol, Specialties, and Other segments. It offers polymers comprising HDPE blown films, blow moulding, and pipes; linear low density polyethylene; and homopolymer, copolymer, and terpolymer; and PETRONAS Wellbore, PETRONAS Rig, and PETRONAS Tank solutions. In addition, the company offers ethylene, propylene, ethylene glycols, butyl glycol ethers, butanol (n-butanol and iso-butanol), butyl acetate, polyethylene glycols, ethonas FAE, nonylphenol ethoxylates, ethanolamines ethonas, and gas treating solvents; methanol, paraxylene, benzene, methyl tertiary butyl ether, and butadiene; ammonia and urea; PETRONAS Aireblue, a diesel exhaust fluid; and oxo-alcohols, as well as trades in and distributes chemical products. Further, it engages in processing feedstock into ammonia, syngas, carbon monoxide, paraxylene, benzene and other byproducts, n-butane, hydrocarbon by-products, isobutylene ethylene oxide derivatives, propylene derivatives, and related chemical products; and manufacturing of basic specialty polyols and propionates, formats, organic acids and formaldehyde, aldehydes, carboxylic acids, plasticizers, phthalic anhydride, trimethylolpropane, pentaerythritol, di- pentaerythritol, and sodium and calcium formate, preservative acids, nutritional salts, and other chemical products. Additionally, the company owns, operates, and manages Kertih marine facilities; processing natural gas into urea and ammonia; reselling, formulating, and manufacturing silicones, lube oil additives, and chemicals; and real estate business. The company was founded in 1985 and is based in Kuala Lumpur, Malaysia. PETRONAS Chemicals Group Berhad operates as a subsidiary of Petroliam Nasional Berhad.