As nossas certificações

NEN Cert

NEN Certificate - 2015


CMN is a specialized company in the sector of metalworking, being dedicated to the provision of industrial services and public works.

The company started its activity in 1993, in collaboration with the Italian company Fochi, construction of unleaded gasoline production unit at the Petrogal refinery in Sines - Portugal.

CMN is now inserted into a solid group of companies, the JRC Group and can therefore combine valences of various areas, thus offering integrated services to its customers.

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Activity areas


  • Static Equipments
  • Dynamic Equipments
  • Pressurized Equipmetns
  • Storage Tanks
  • Metal Structures
  • Tubing


  • Integral
  • Mechanic
  • Eletric
  • Instrumentation
  • Stops


  • Manufacture and repair of storage tanks
  • Structures
  • Prefabrication of pipes
  • Equipments


Warehouse Structure

  • Structure manufacturing
  • Warehouse Structure assembly
See Galery

Pestana Hotels & Resorts

New Hotel Unit

  • Construction and Assembly of a new hotel in Algarve
See Galery

Siderurgia Nacional

Maintenance Intervention

  • Mechanic Interventions
  • Equipment Revision
  • Disassembly, Recovery and Assembly of Production Units
See Galery

Among many others...


Your contact is important to us.

address Praça Emídio Santana
Lote 10 Paio Pires,
2840-588 Casal do Marco

phone +351 212 247 267

fax +351 212 247 384