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.
Vallis offers inspection and verification services that will underpin this growth at ports across Africa and the Middle East. #marineindustry https://lnkd.in/gb2-2fH View on LinkedIn
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Vallis Group Limited Vallis House 57 Vallis Road Frome Somerset BA11 3EG England