VALTERRA

Treatment of metal; Refining of metals; Drilling of metals; Waste recycling services; Food preservation services

Semi-precious and precious stones; Unwrought precious stones; Precious metals; Platinum alloy ingots; Jewellery made of precious metals

Mining extraction; Mining extraction of metals; Mining for precious stones

Mining exploration and mineral exploration services; Exploration services in the field of the oil, gas and mining industries; Geophysical exploration for the mining industry; Testing of raw materials; Design and development of computer hardware and software