About us

Our company is located in Zwiesel, Germany, the centre of the German hollow Glass industry.
IWG design, manufacture and supply different glass melting furnaces, such as pot furnaces, day tanks, regenerative, recuperative and oxygen heated continuous tank furnaces as well as full electrical heated tank furnaces for domestic and lighting ware, tableware, containers, technical glassware, etc.
IWG also offers pot arches, tempering furnaces, glory holes, all forehearth systems, supply stations for all medias, burner systems, combustion equipment, boosting and process controlling systems.
IWG activities include engineering, services and consulting up to turn key projects – service worldwide.

Products and services

Production programme: GLASS MELTING FURNACES FOR HIGHEST GLASS QUALITY for technical glass, optical glass, special glass, tableware, container glass.

  • Tank Furnaces
  • Recuperative Furnaces
  • Regenerative Furnaces
  • Oxy-fuel Furnaces
  • Electric Furnaces
  • Forehearths / Platinum Feeder-Systems
  • Pot-Furnaces
  • Day Tanks
  • Special Plants
  • Auxiliary Equipment


Regenerative tank furnace

Regenerative tank furnace

Recuperative tank furnace

IWG Ingenieurbüro Wagenbauer GmbH
Fuerhaupten 35
94227 Zwiesel

Phone: +49 9922 84480
Fax: +49 9922 844821
E-mail: info@iwg-online.com
Internet: www.iwg-online.com

Contact person

Markus Schreder
Technical Director
Phone: +49 9922 84480
E-mail: info@iwg-online.com

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