Switzerland, Klingnau
28km
... at construction sites, making them very flexible and ready for deployment. W. FREI AG offers a complete range of equipment components for wastewater treatment plants, including water transport screws, screening systems, pumping units, sand trap equipment, basin equipment, chain scrapers, as well as sludge treatment, sludge dewatering, sludge drying, aeration equipment, gas systems, gas appliances, and pipeline construction, along with complete heating systems.

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