Protram Remonty i Modernizacja Tramwajów Protram Wrocław Sp. z o.o. was a Polish company that specialised in production and modernisation of rail equipment.[1] The company was founded in 1999 in Wrocław after the rail maintenance department of MPK Wrocław was privatised. The company filed for bankruptcy in 2016 and was eventually liquidated.[2]
There are 3 models of trams constructed by Protram:
They are responsible for the modernisation of Konstal 105Na units into Konstal 105NWr as well.
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