Communications mills

SIEFER, which has its headquarters in Velbert, was founded by Wilhelm Siefer in 1947 and is now being managed by the second generation of the family.

The foundation stone for its current high repute in many branches was laid by developing an unique technology: the SIEFER TRIGONAL® principle of wet size reduction.

SIEFER supplies the TRIGONAL®– machine as a stand-alone machine or as part of a complete production plant manufactured by SIEFER for a wide range of industries.

Over decades the company SIEFER has strengthened its substantial position in the international market – because the advantages of wet size reduction became undeniable and because the SIEFER TRIGONAL® principle stands for the ultimate in quality.

It is for these reasons that SIEFER TRIGONAL®– machines and equipment are to be found throughout the world wherever absolute reliability and state-of-the-art know-how about process control is demanded in the industries SIEFER supplies.

Indusrties SIEFER TRIGONAL® machines are used in include:

  • Asphalt and bitumen industry
  • Chemical industry
  • Fruit and vegetable industry
  • Delicacies, baby food and ready-to-serve mealsy
  • Meat and fish industry
  • Animal food industry
  • Cosmetics industry
  • Mineral oil industry
  • Paper industry
  • Pharmaceutical indus
  • Candy industry
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