The main mission of Legnano Teknoelectric Company, pursued in each company’s operational phase, is to provide its customers with absolute excellence products and services, ensuring and improving products performance, refining the use of materials, certifying the processes and at the same time reducing the environmental impact.
Extensive experience of Bertelli's family in electrical transformers industry.
Product quality controls, from raw material to finished product, with advanced technological systems.


Absolute attention to the customers' needs, starting from the planning stages.
Extreme innovation for machinery and production processes automation.
Materials and processes optimization, to ensure the best performance with a reduced environmental impact.
Utmost care of every detail in all major aspects of production and in the service provided to customers.
Extreme innovation for machinery and production processes automation.
Continuous research of high performance materials.
High level machinery in automation and production processes, and continuous research of high performance materials.

Why Choose Us

Hundreds of controls and monitoring carried out with the most advanced techniques
Improvement of processes and materials used during the various production stages, with reduced environmental impact.
Advanced IT systems for the automation and digitalization of all processes, including the not strictly productive ones.
Unconditional availability to listen to the customer's needs, with totally tailored design and production, according to each single request.
For over fifty years the Bertelli's family deals with electrical transformer cores design and production, with the utmost care to every aspect of customer service, and using automated control processes in all stages of product design.


  • Fax +39 0331.413.790
  • Phone +39 0331.413.700
  • Via Roma, 3 - 20010 San Giorgio su Legnano - Milano (Italy)

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