OST PETROCHEMICAL
OST石化(译名)
BOI-approved in 2012: Anti-corrosives, thread sealant
- Province
- Rayong · East
- Estate / district
- Rayong
BOI-approved in 2012: Anti-corrosives, thread sealant
OST Petrochemical (Thailand) is a Chinese-invested petrochemical company in Rayong making petrochemical products, chemical materials or related products for energy and manufacturing customers. Drawing on the eastern petrochemical cluster, it supplies regional customers and overseas markets.
Compiled from public information: company websites, industrial-estate and BOI announcements, listed-company filings, job sites and news. Updated October 2026. For reference only; corrections are welcome.