For more than 25 years Weber is the market leader for oven and boiler cement in industrial settings. All wezilit products meet the highest standards of quality - the leading international major enterprises which we supply can attest to this as well.


  • Bosch
  • Buderus
  • De Dietrich
  • DemirDöküm
  • Fonderie de Niederbronn
  • Haas+Sohn
  • Hein
  • Kleining
  • Küppersbusch
  • Leda
  • Lohberger
  • Olsberg
  • Oranier
  • Protherm
  • Riello
  • Riser
  • Rowa
  • Schiedel
  • Sime
  • Truma
  • Vaillant
  • Viadrus
  • Viessmann
  • Wamsler
  • Weso
  • Windhager
  • Würth

Trend Indicator


An essential part of our corporate philosophy is, with the help of continuous improvement processes, regularly putting our products and services to the test in order to offer our customers optimal solutions. One result of this is our quality management system's advancement.

To foster this advancement, we attach great importance to our customers' opinions. By regularly conducting interviews, we want to gather opinions concerning their satisfaction with our collaboration.

Also this year, we have asked our customers to give us their opinions on the preceding year and are delighted with a great outcome.

Quotations on the question "What were you most satisfied lately?":