KZA Zielonka

Marketing area


The Investors operating in the area of our country are the main receivers of construction-assembly services offered by KZA Zielonka.

The biggest investors are:

We cooperate with suppliers of devices and systems for train operation and telephone and teletype services, such as:

KZA Zielonka also provides services of comprehensive maintenance of railway traffic control equipment of stations and railway lines. An example is the service of maintenance and diagnostics of railway traffic control devices on a railway line managed by WKD Sp. z o.o.

KZA Zielonka has started the implementation of the ISO 9001:2015 Quality Management System for conducting business activity in the field of construction and assembly of train traffic operation systems, power supply and telephone and teletype services and maintenance of railway traffic control devices.



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