NNH has financial interests in a Brazilian bauxite quarry. Bauxite is mined and converted into Alumna and is sold on contract to smelting plants in Europe, USA, and Asia.

Present production is 375 million tons/year.


NNH has financial interests in an Emerald mine and the second largest Pink Diamond mine in the world, complete with an in-house diamond cutting and polishing department.


* Polymetallic Nodules containing Cobalt, Copper, Manganese, and Nickel
* Polymetallic Sulphides
* Cobalt-Rich Ferromanganese Crusts

Nodules do not contain toxic levels of heavy elements and 100 per cent of their mass can be turned into usable materials.
At 3800 - 5500 meters deep, there is intense pressure with a dark and vast sedimentary seabed.
Using ocean nodules to supply metals for one billion electric vehicle batteries will generate at least 70% less CO2 equivalent emissions from land ores.