<Tr> <Th> Website </Th> <Td> www.nnpcgroup.com/nnpcbusiness/subsidiaries/phrc.aspx </Td> </Tr> <P> The Port Harcourt Refining Company, (abbreviated PHRC), is a Port Harcourt - based oil and gas company primarily specializing in the refining of crude oil into petroleum products . The company is a subsidiary of the Nigerian National Petroleum Corporation (NNPC). </P> <P> Located at Alesa Eleme, the company operates two oil refineries including an old plant commissioned in 1965 that can process 60,000 barrels of oil per stream day and the new plant commissioned in 1989, which has a capacity of 150,000 bpsd . Both oil refineries possess a combined capacity of 210,000 barrels per stream day making PHRC the "biggest oil refining company in Nigeria". </P>

Eleme refinery in portharcourt was built by which company and in what year