The metal plant Zakład Metalowy inż. Jerzy Gregorczyk was established in September 1982 in Mielec. From more than 25 years, we have been the only Polish manufacturer of high-pressure nozzles for cleaning sewer networks.


We introduce new construction solutions of nozzles, heads and accessories that can effectively compete with nozzles of western manufacturers.


Most of our nozzles have a patent document or are protected by a special law issued by the Polish Patent Office. Our plant was the first in Poland to introduce ceramic inserts for the manufactured nozzles.




We offer a full range of nozzles and equipment for cleaning sewage systems. Our products enable the comprehensive cleaning of sewage systems, including:

  • enveloping cleaning
  • removing blockages
  • cleaning and rinsing the bottom of a sewer
  • removing hard calcium sediments from sewage systems
  • cutting roots
  • milling of drains before trenchless renovation
  • cleaning of tanks and wells


We supply our products to nearly 300 domestic and several foreign recipients.

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