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A specialist marine 'metals' and engineering company in Mallorca

METALNOX is a leading metallurgical company in the nautical sector, established in 1987 in the Balearic Islands. It specialises in the maintenance, revision, replacement and complete alignment of the propulsion line. 

Thanks to its 360° Comprehensive Service, it achieves a notable improvement in the boat's performance by reducing consumption, eliminating vibrations and increasing its speed.

To do this, it has highly qualified personnel with LR Approvals for welding different types of propellers and alloys. It should be noted that METALNOX is the only company in the Mediterranean approved by ABS for the repair, straightening and welding of shafts (Approved Tailshaft Repair Facility).

In continuous innovation, it works with machinery designed and manufactured to measure by its engineering department. 
It has recently incorporated a portable 3D Scan service for propeller analysis and diagnosis with no need for disassembly.

Its facilities, with more than 3000m² located in the Santa Ponsa industrial estate, are equipped among others, with Dynamic Balancers adapted for the whole of the propulsion line (shafts + propellers + couplings) of up to 5 tons and 12 metres in length; Propscan System for propeller testing and optimisation according to ISO standard; 220 ton press brake, laser aligners and portable lathes.

METALNOX also has a workshop at STP Shipyard Palma de Mallorca, where it serves all types of Superyachts and boats immediately, carrying out both large-scale and detailed projects and including hull repairs and manufactured parts adapted to customer needs. 

Year after year we continue to receive enthusiastic feedback for their work, endorsed by Captains saying: 

  • “Metalnox do superb welding work”
  • “Metalnox always deliver exactly what we are looking for”
  • “Excellent stainless steel production, the quality of the welding was second to none”
  • “METALNOX reduced our fuel consumption by 15%”
  • “Metalnox did some galvanizing for us - very happy with the result” 

Located in Santa Ponca & at STP Shipyard, Palma 


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c/ Islas Canarias 30
Poligono Son Bugadelles
Santa Ponca


T: + 34 644 260 165



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“Excellent stainless steel production, the quality of the welding was second to none”

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