ASPHALT & BITUMEN SUPPLIERS in Qatar
Find best top ASPHALT & BITUMEN SUPPLIERS in qatar doha suppliers companies in doha qatar updated June-2020 Asphalt is also known as bitumen is a sticky black and highly viscous liquid or semi-solid that is present in most crude petroleums and in some natural deposits it is a substance classed as a pitch. Until the 20th century the term asphaltum was also used.
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