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Wirthwein AG

Booth number: 2L03

About us

For decades we have been the leading manufacturer of high-quality plastic components of any kind with production sites in Europe, Asia and the USA. Moreover, the group of companies is doing business in the field of interior fittings with the two companies Bembé Parkett and Winkler Design. With 21 companies and some 3,650 employees around the world the Wirthwein Group operates in the business units automotive, railway, electrical industry, home appliances, medical technology and interior fittings. Wirthwein stands for owner-operation, independence and dynamic growth. Since 1949.

Products and services

Wirthwein stands for: Over 50 years of innovative plastics processing:

  • Thermoplastic injection molding of complex plastic parts with shot weights from 3 g to 10 kg
  • Processing of all standard thermoplastic materials
  • Machines with clamping forces from 150 to 16.000 kN 
  • Capacity: 477 injection molding machines and 15 extrusion blow machines (worldwide) 

Apart from innovative and efficient manufacturing technologies we offer a broad range of assembly processes, surface refinement technology and logistics services to our customers. We manufacture molds used in the injection molding processes by ourselves. Since 1969, we have been manufacturing molds and are able to exchange know-how and provide innovative solutions by means of our wealth of experience in the business fields of automotive, railway, electrical industy, home appliances and medical engineering. Moldmaking completes our possibilities as a full-service supplier.

Sun roof component

Sun roof component

We supply our customers with interior and exterior components of the following sectors:
• Sun roof components
• Seat belt exit covers
• Door components
• Window frame trims
• Attaching parts for bumpers
• Engine compartments
• Decorative elements
• Dashboard components
• Cooling systems
• Chassis
• Engine cooling systems
• Cabin filters

One-piece radial wheel

One-piece radial wheel

In the field of engine- and air-conditioning technology, fan impellers are manufactured in series for ventilators, housing lids and plastic guard grilles. The product portfolio ranges from components with a weight of few grams up to eight kilograms.

Angle guide plate

Angle guide plate

The railway was the first customer of Wirthwein.

Today we are looking back at 50 years of experience in plastic injection molding with an annual production volume of hundreds of millions of parts. To date, Wirthwein has supplied products for more than 15,000 km high-speed railway lines worldwide – for train speeds of up to 450 km/h.

Our components are used in the first installment of railway tracks, track reconstruction and -maintenance.


Wirthwein AG
Walter-Wirthwein-Str. 2 – 10
97933 Creglingen

Phone: +49 7933 7020
Fax: +49 7933 702910

Kuno Knobloch
Plant Manager
Phone: +86 18 601605252

Wirthwein Technical Plastics (Kunshan) Co. Ltd.
Yuan Feng Road 158, Yushan Town, Kunshan City
Postcode: 215301 Jiangsu Province
P. R. China

Phone: +86 512 81638998
Fax: +86 512 81639118

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