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South Korean refining company and marine bunker supplier GS Caltex has announced that it has raised its daily heavy fuel refining capacity by 8,000 barrels thanks to improved processing technologies.

The country's second largest refiner increased its daily heavy oil processing capacity from 145,000 barrels to 153,000 barrels due to the improved operational technologies of its two plants that process heavy oil into transportation fuels, the company said in a statement.

GS Caltex has crude oil refining facilities with a total capacity of 770,000 barrels a day, providing a regular supply of oil products to South Korea. Its Residue Fluid Catalytic Cracking Units are able to crack Bunker C oil to produce high-valued products such as gasoline, kerosene, and diesel. The company also has advanced facilities to desulfurize 190,000 barrels of kerosene and diesel a day.

GS Caltex is also a major Korean supplier of light, middle products & fuel oil to domestic and overseas customers. It accounts for a large precentage of the fuel oil market in Korea and has bunkering operations at every main port in Korea including Busan, Incheon, Yeosu, Ulsan, Pyeongtaek, Gunsan, Kojung, Samchunpo, and Donghae.