Petrovietnam Chemical & Services Corp. engages in the manufacture chemical products and drilling fluids to the petroleum industry. Its products are for drilling fluid, oil exploitation, oil refinery, water treatment, and other applications. The company also provides well completion, and oil recovery services; cleaning tanker, FSO/FPSO, fuel tank, and industrial equipment; engineering, equipment supply, construction, installation, operation, and maintenance of water supply and wastewater treatment systems; environmental services; and electrochemical anti-corrosion and other services. The company was founded on March 8, 1990 and is headquartered in Ha Noi, Vietnam.