26 km of Qasr Shirin road



the price of natural bitumen in Iran

Gilsonite price (natural bitumen)

Gilsonite price (natural bitumen)

Natural bitumen, also known as Gilsonite, is a unique and valuable resource used in various industries such as asphalt, drilling fluids, inks and paints. The price of natural bitumen, gilsonite, is an important economic factor for producers and consumers due ...