jgp co is an Iranian supplier and manufacturer who can supply you any kind of petroleum product ( such as bitumen grades, bitumen penetration grades, viscosity grades bitumen, oxidized bitumen, cutback bitumen, bitumen emulsion, blown asphalt, hard asphalt,...) and minerals especially gilsonite that also named bituminous coal, coal tar, natural bitumen, mineral asphalt, asphaltum and also other minerals in best quality from primary sources by lowest price and in shortest time Petroleum bitumen is often confused with tar. Although bitumen and coal tar are similarly black and sticky, they are distinctly different substances in origin, chemical composition and in their properties. Coal tar is produced by heating coal to extremely high temperatures and is a by-product of gas and coke production. It was widely used as the binding agent in road asphalt in the early part of the last century, but has since been replaced by refined bitumen.