Bitumen
Sometimes referred to as asphalt, bitumen is a residue from petroleum distillation, but can also be obtained naturally.
Bitumen has been managed by Vallis operations in Zambia.
Sometimes referred to as asphalt, bitumen is a residue from petroleum distillation, but can also be obtained naturally.
Bitumen has been managed by Vallis operations in Zambia.
+44-(0)-1373-453-970 info@vallis-group.com
Vallis Group Limited
Unit 4
Handlemaker Road
Frome
Somerset BA11 4RW
UK