Technology brands

The industry specialists BOLZ-SUMMIX, COMBER, HEINKEL and JONGIA have over 150 years of experience, offering innovative and dependable solutions in filtration and centrifugal technology, nutsche & vacuum drying, agitating and mixing.

Our experts are in a position to select from our comprehensive product portfolio the best possible separating equipment combination for the respective task and supplement it through the necessary peripheral equipment thereby providing a complete system solution. Our brands BOLZ-SUMMIX, COMBER, HEINKEL and JONGIA have an excellent reputation around the world.

Since May 2024, BOLZ-SUMMIX, COMBER, HEINKEL and JONGIA (former HEINKEL Drying and Separation Group) are part of De Dietrich Process Systems, the most comprehensive global supplier of engineered systems, equipment and services for the fine chemical and pharmaceutical industries.

COMBER

COMBER is a leading Italian supplier of (nutsche) filters, filter dryers, vacuum paddle dryers and vacuum pan dryers in the pharmaceutical and fine chemical industries.

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BOLZ-SUMMIX

BOLZ-SUMMIX, situated in South Germany, is specialized in mixing and drying equipment and is one of the few specialized manufacturers of the conical screw vacuum dryer.

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HEINKEL

HEINKEL is specialized in providing systems for solid-liquid separation. The product portfolio consists of a wide range of vertical, horizontal and classifying and filter centrifuges.

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JONGIA

JONGIA manufactures and designs mixers and agitators for the (fine) chemicals, food & beverages, petrochemicals, sustainable energy and pharmaceutical industry.

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We provide solutions, not just machines

The customers of BOLZ-SUMMIX, COMBER, HEINKEL and JONGIA benefit from the long-standing process knowledge and expertise of the employees.

Process Optimization

In the animation below it is visualized how the solid-liquid process works and in which steps our different machines are used.