Black Diamond Oil Petrorefinery Holding


All kinds of suppliersPetroleum Productsin Country

Petroleum products

oil derivation

Gas

Solvents

Bitumen

The latest news.

Training session for the sales team.
Training session for the sales team.

Training session with the pres

Continuation of the news.
The brilliance of the Petro-Refining Holding of Black Diamond Oil on the path to great successes.
The brilliance of the Petro-Refining Holding of Black Diamond Oil on the path to great successes.

A significant step in the deve

Continuation of the news.
Specialized training in bitumen for new traders.
Specialized training in bitumen for new traders.

A special training session wit

Continuation of the news.