One of the largest manufacturers of sewer products, plumbing and gas in Poland. Initially the company was located in Piława Górna, and in 2002, the company moved to Dzierżoniów
The manufacturer’s covers are made of metal and are circular in shape .
No colored covers from this manufacturer have been found; there is, however, one golden cover featuring the emblem of the local authority .
The purpose of the cover appears only on water covers (marked with the letter W or the name of the water authority) .
The year of manufacture is generally not indicated.
Standards The European standard EN124 and its corresponding load classes appear on many of the covers, with the most common load class being D400 .
Typical Covers The manufacturer’s covers are characterized by a pattern of concentric circles composed of squares or trapezoids . There is one distinct cover differing from this design, featuring a smooth background with the city emblem, seemingly created for a specific occasion .