Success through combined business strengths.

AHWION is a joint venture between Anton HĂ€ring KG and HEWI G. Winker GmbH & Co. KG – each with a 50 percent stake. For our customers, this results in a strong benefits package in the market as we multiply our expertise and innovative strength to offer you customized solutions.

Our Vision

We support the sustainable and future-oriented development of our customers. To guarantee this in the long term, AHWION focuses on three pillars in particular:

Innovative strength

We never stop moving. With our combined resources and knowledge, we work every day to continuously optimize and innovate our processes and technologies – and thus remain two steps ahead in the future.

Worldwide manufacturing

Our mission: To be globally represented as a skilled development partner for our customers. For this reason, we will be opening up further regions and markets in the future and further expanding our shares in the focus areas.


By combining forging and machining, we are already reducing energy requirements and conserving resources. Nevertheless, we are continuously working to increase our positive contribution to the world.

“With our combined core competencies, we are shaping a future where our customers benefit from expertise and innovative solutions. In doing so, we are not only developing the mobility of tomorrow, but simultaneously establishing ourselves as a trustworthy partner on the global market.”

– Markus HĂ€nssler, CEO, HEWI G. Winker GmbH & Co. KG

Anton HĂ€ring KG

The precision parts manufacturer was founded in 1961 by Anton HĂ€ring in Bubsheim in the district of Tuttlingen, Germany. What began as a one-man operation has grown to become a global technology company with over 4000 employees. At locations in Germany, Poland, China, USA and Tunisia, specialists produce highly complex turned and milled parts in large and medium series for various industries, but primarily in the automotive sector.

HEWI G. Winker GmbH & Co. KG

The specialist for large-scale production of innovative securing and fastening elements as well as cold formed parts was founded in 1955 by Herman Winker in Spaichingen in the district of Tuttlingen, Germany. Today, the future-oriented company has more than 600 employees worldwide. At the sites in Spaichingen, China and Taiwan, they manufacture around 7.2 million fasteners every day, which are installed by well-known customers from the mechanical engineering and automotive industries.

Our Locations

Anton HÀring KG 

  • Anton HĂ€ring KG, Bubsheim, Germany
  • Haering Polska Sp. z o.o., PiotrkĂłw Trybunalski, Poland
  • Haering Precision (Taicang) Co. Ltd., Taicang, China
  • Haering Precision USA LP, Lavonia, GA, USA
  • Haering Tunis, Tunis, Tunisia

HEWI G. Winker GmbH & Co. KG

  • HEWI G. Winker GmbH & Co. KG,  Werk I and II in Spaichingen, Germany
  • HEWI Fasteners Asia Inc., Kaohsiung, Taiwan
  • HEWI Fasteners Nanjing, Nanjing, China 
  • HEWI Formtech SRL, Detta, Romania