Gilsonite, Gilsonite direct from Xinxiang Kolanky ...
Oil Well Drilling plugging agent Gilsonite (Natural Asphalt) Powder. Ready to Ship. 970.00 - 1,030.00 Ton. 10 Tons (Min. Order) high purity Asphalt powder and paving Gilsonite in oil drilling. Ready to Ship. 970.00 - 1,030.00 Ton. 10 Tons (Min. Order) Gilsonite Natural Asphalt …
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