Nigeria’s Dangote refinery has raised alarm over the import of substandard petroleum products into the country and the lack of laboratory facilities by the country’s oil regulator. Dangote refinery raises alarm over the import of substandard petroleum products into the countryDangote announces its ex-depot price of petrol at N990/litre for trucks and N960 for shipsThe refinery accused the Nigerian oil regulatory body of lacking laboratory facilities to detect substandard productsThe refinery noted that these products, which include goods for everyday use and vehicle parts, are allegedly being …