We about us

Since WAIWELDAI's foundation in 1992, we have specialised in the development, production and sales of filter components and accessories for processing technology.

The sole managing partner, Ms Bärbel Trost, grad. eng. (TH) VDI, is experienced in bulk material industry, as she has been engaged in the filtration of bulk material and product development since her studies.

You will find WAIWELDAI wherever dry products are conveyed pneumatically or mechanically; in industries such as chemistry, food, concrete, glass, plastic, etc., and for any application e.g. silo filling, extruder charging, dedusting of mixers and many more.


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