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PTT invests in a total integration petrochemical business through its 8 subsidiaries, starting from upstream to intermediate and polymers both olefin chain and aromatic chain. Petrochemical group of PTT is the biggest in the country and ranks among the top in Asia.

Downstream petrochemical products of the group include a variety of products ranging from polymer and resin, ethylene oxide and related products, oleo-chemical and bio-based chemical, aromatics, and other specialties.

Petrochemical activities also include a marketing & logistics of polymers, utilities, tank & terminal, maintenance & engineering services, and safety & environment services. There is an expansion plan to enter an international arena by investing in Asia and the Middle East. An international presence will help to create more value to the existing business following the market back strategy and further pursuing specialty business.

Today, with potential strength in petrochemical synergy, PTT Group not only becomes the leader player in the country, but also attracts several world leading companies such as LyondellBasell from USA, Asahi Kasei Chemical Corporation from Japan, and Sime Darby Plantation from Malaysia to be the strategic partners in petrochemical business


PTT Group Product Chain in Petrochemical

PTT Group Product Chain in Petrochemical


Location of Downstream Business

Location of Downstream Business


Petrochemical Knowledge​

Petrochemical Knowledge

ffiliates in Petrochemical Business Unit


PTT Global Chemical Public Company Limited (PTTGC)

PTT Global Chemical Public Company Limited (PTTGC) is a chemical flagship of PTT Group with a total capacity of 8.26 million tons per year. Products of PTTGC include Aromatics, Olefins, Polymers, Ethylene Oxide, environmental chemicals and specialty chemicals. PTTGC is the biggest total integrated petrochemical and refining complex in Thailand and also ranked among the top in Asia-Pacific region in term of size and variety of products.


IRPC Public Company Limited (IRPC)

Produces and sells 2 main product groups:

  1. Petrochemical Products : Olefins, Aromatics and Plastic Resins which are High Density Polyethylene (HDPE) , Polypropylene (PP) and Acrylonitrile Butandien Styrene(ABS)
  2. Petroleum Products: Fuel, lubricants and bitumen


HMC Polymers Company Limited (HMC)

Produces and sells Polypropylene (PP)


PTT Phenol Company Limited (PPCL)

Produces and sells Phenol and Acetone (start up 2008)


PTT Asahi Chemical Company Limited (PTTAC)

Produces and sells Acrylonitrile (ACN) and Methyl Methacrylate (MMA) (start up 2010)


PTT Polymer Logistics Company Limited (PTTPL)

Produces and sells Phenol and Acetone (start up 2008)


PTT Polymer Marketing Company Limited (PTTPM)

Sales and marketing of polymers produced by PTT Group


PTT Maintenance and Engineering Company Limited (PTTME)

Provides integrated engineering and maintenance services to plants in Map Ta Phut Industrial Estate and industrial estates nearby