Royal Duyvis Wiener B.V.

Duyvis Wiener Logo wit
24/7 Technical Support Hotline: +31 756 126 133

+31 756 126 126

Koog aan de Zaan (NL)



Versatile. Vibrant. Compound.

Cost-Efficiency Maximizers
Our compound processing equipment is designed to optimize cost efficiency, helping you achieve higher profitability by minimizing operational expenses without compromising quality.

Capacity Champions
Experience unparalleled productivity with our high-capacity solutions, enabling you to process large volumes of cocoa and chocolate with exceptional speed and precision, ensuring your production keeps up with the growing demands of the market.

Service Excellence Pioneers
We are pioneers in providing unparalleled support, backed by our dedicated team and comprehensive after-sales service, ensuring optimal performance, customer satisfaction, and peace of mind.

Revolutionary Compound Processing: Charting New Horizons with Advanced Innovations

Our state-of-the-art technologies and unparalleled equipment are precisely designed to enhance each stage of the compound processing journey. From innovative blending and homogenizing to exact tempering and molding, our machinery ensures consistent superiority. With Duyvis Wiener at your side, elevate your compound processing capabilities, delivering unmatched quality and maintaining a leading edge in the demanding market. Experience the essence of modernity and harness the infinite possibilities of your compound production with Duyvis Wiener.

Thouet 5 Roll Refiner

The new Thouet 5 Roll Refiners prioritize operator convenience and safety. With their intricate transparent design, operators can easily and safely view the refining process in action. This enhanced visibility empowers operators to make informed decisions, ensuring precise and superior cocoa refining outcomes. Experience the pinnacle of innovation with Thouet 5 Roll Refiner for unparalleled chocolate processing excellence.

The new Thouet 5 Roll Refiners embody our unwavering commitment to sustainability. Purposefully designed, these innovative machines significantly reduce energy usage and waste during chocolate refining. By integrating advanced technologies and optimizing efficiency, our 5 Roll Refiners not only deliver superior results but also contribute to a more environmentally responsible chocolate processing industry. Experience the perfect balance of innovation and sustainability with the Thouet 5 Roll Refiner, setting new benchmarks for excellence in chocolate processing.

To reduce or avoid downtime, the technical support mechanics at Royal
Duyvis Wiener B.V. are available 24/7 via the Technical Support hotline.

Contact our specialized team for all your questions

Compound Processing

Solid Ingredient Handling and Dosing

Ingredient Handling

Our integrated solution connects solid hoppers to liquid dosing systems, minimizing manual intervention. Boost productivity and reduce inconsistencies with our automated precision. Experience excellence in every step of ingredient management.

Continuous Mixer

Duyvis Wiener’s continuous mixer seamlessly blends ingredients like sugar, cocoa liquor, and milk powder. Transition from batch to uninterrupted processing, ensuring each recipe is perfectly tailored and uniformly mixed. Experience the future of mixing.

Duyvis Wiener Ball Mill Generation7


Duyvis Wiener’s refining line, equipped with 2 or 3 ball mills, ensures meticulous granularity. With the first ball mill dedicated to pre-refining and using larger grinding media, even the most substantial particles meet their match. Dive into the art of fine-tuned refining with Duyvis Wiener.

Wiecon 50

Duyvis Wiener’s innovative all-in-one vessel is crafted to execute two essential tasks concurrently: the pristine blending of ingredients and refining to the desired fineness. Experience the harmony of simultaneous mixing and grinding, encapsulated in one impeccable design.

Unveiling the Chocolate Compound Chronicles

The process from cocoa beans to chocolate

The process from cocoa beans to chocolate

As you all know, chocolate is one of the most popular sweet foods in the world, enjoyed by millions every day. It comes in many forms, from milk chocolate to dark chocolate, flavored chocolate to plain chocolate, and is used in various ways, from baking

Read More »
Duyvis Wiener Ball Mill Generation7

What are ball mill machines and why do you need them?

Ball mill machines are essential equipment for processing powder materials in various industries, including the food, pharmaceutical, and chemical industries. A ball mill machine is used to grind and mix materials, producing a finely ground powder suitable for a wide range of applications. At Royal

Read More »
Thouet 5 roll refiner

Thouet 5 Roll Refiner

Royal Duyvis Wiener has strong roots in traditional chocolate processing with the Thouet brand. Their passion for the product combined with smart customer-driven engineering solutions made the fundament for the new 5 Roll Refiner, which will be available in January 2023. In addition to delivering

Read More »
Masterclass the cocoa practicum RDW

An overview of advanced cocoa processing machinery

Cocoa processing is a complex and essential process for the chocolate industry. The primary cocoa processing equipment includes roasting machines, peeling and grinding machines, pressing machines, and powder making machines. With the increasing demand for high-quality chocolates and cocoa powders, the need for advanced cocoa

Read More »

How do you choose the right chocolate mixer?

Are you in the chocolate industry looking to improve your entire chocolate manufacturing process? Do you want to produce high-quality chocolate mass or delicious hot chocolate with shorter process times? Then you need to know about chocolate mixers. A chocolate mixer is a vital piece

Read More »
Cocoa bean fermentation process

Understanding the cocoa bean fermentation process

Did you know that the quality and flavor of chocolate depend on the fermentation process of cocoa beans? The cocoa bean fermentation step is crucial in the chocolate production process, and it affects the taste, texture, and aroma of chocolate. In this article, we will

Read More »
Cocoa bean to butter | Royal Duyvis Wiener

Cocoa bean: Butter production, applications & benefits

Discover the advantages and applications of cocoa butter. This butter is a versatile and popular ingredient in both the food and beauty industries. This pale yellow vegetable fat extracted from cocoa beans is renowned for its unique aroma reminiscent of chocolate and its smooth texture.

Read More »

Roaster Showcase

In 2022, we hosted our first Roaster showcase in the factory of Koog aan de Zaan whichallowed us to showcase the Alkalizer, Drum Roaster, and Cooler. An amazing occasion toshare our expertise and innovations with our customers. In addition, customers could learn  about the specific benefits

Read More »


Contact-Us Form