Modern production methods, efficient administration and custumer oriented service: Our centrally located facilities in Germany allow us to supply customers worldwide with our products and services. This means that the entire production chain – from development to final inspection – is exclusively in the hands of our qualified experts. Thanks to this “transparent production”, we can always guarantee the end-to-end high quality of our products.

Malsfeld site

Our company headquarters are located in Malsfeld near Kassel. Apart from company administration, a small specialized part of production is also located here.



  • Purchasing and sales
  • Company management
  • Financial accounting
  • Marketing
  • Logistics
  • Quality assurance
  • Development


Production areas:

  • Glass cutting and further processing
  • Joining technology
  • Prototype manufacturing
  • Lathe working
  • Measurement technology
  • Laser processing
  • Finished goods store

Waldkappel site

In the 1960's, Hilgenberg GmbH expanded their production capacity in a new factory in Waldkappel, about 30 km away from company headquarters in Malsfeld. Today, our ultra-modern production lines are situated here.



  • General location management
  • Quality assurance
  • Development


Production areas:

  • Capillary production
  • Pipette production
  • Cutting tubes to size
  • Precision grinding
  • Hot forming
  • Joining technology
  • Assembly
  • Comprehensive raw material store

Münnerstadt site

Our new factory III emerged from a long-standing German glass processing company and manufacturer of glass machinery named Löwinger GmbH. This factory is designed for the serial production and manufacturing of complex glass components which are formed from glass tubes.



  • Distribution of serial components made of glass
  • General location management
  • Logistics
  • Developement
  • Quality assurance


Production areas:

  • Glass cutting and further processing
  • Hot forming
  • Measurement technology
  • Finished goods store
  • Raw materials store
  • Glass tube with side-opening
  • Glass fibers with sphere formed end
  • NMR Tubes with thread for low vacuum applications
  • Mark tubes with special inner surface
  • Mini test tubes with extended flange
  • New preform for redrawing of capillaries
  • Test tubes with sagging at the bottom
  • Cloning cylinders with numbering
  • Large-volume theta cross-section capillaries
  • High tightness with new standard cap
  • Complex component made of quartz glass
  • Dropper pipettes in many sizes and designs
  • Packing glasses protected from light
  • Ampoules with built-in test leckage
  • Thick-walled sample vessels
  • Measuring ampoules with conical bottom
  • Special glass capillaries for measurements
  • Glass capillaries with constriction
  • Finely scaled glass cannulas
  • CNC processing of glass plates
  • New 5 mm NMR standard caps
  • Glass crucible for thermal analyses
  • Glass capillaries with graduation
  • Square capillary with 9 internal channels
  • 9-fold capillary made of borosilicate glass 3.3
  • Our tool for cutting glass capillaries
  • Diamond wire for cutting capillaries
  • Sight glasses (laser structured)
  • Very thick-walled capillaries
  • Polyimide coated filling needles
  • Ampoules with small volume
  • NMR tubes colored (UV protection)
  • NMR septum caps (increased denseness)
  • NMR tubes (barcode & constriction)
  • Mark tubes with perforated bottom
  • Test tubes with hole e.g. as vent
  • Test tubes with grooved rim
  • Oval capillaires (thin-walled)
  • Triangular capillaries (thin-walled)
  • Twisted capillaries by hot forming
  • Multi-channel capillaries (circular array)
  • Special light pipe made of glass
  • Luggin-capillary for measurements
  • Test mandrels (different materials)
  • Carpoules with special-rolled rim
  • Glass capillary for the stimulation
  • XRD-capillary with Luer-connector
  • Glass nozzle with seal-and retaining ring
  • Glass capillary with side-mounted connectors
  • Easily destructible glass ampoules
  • Glass rods with surface patterning
  • Long-conical focusing nozzles
  • Surface patterning of glass substrates
  • Laser sublimation-drilling in flat capillaries
  • Thin needles up to 180 ° flexible
  • Glass needles with curved tip
  • Polished to precision glass rings
  • Glass rods with partially-frosted surface
  • Sealing glass with high thermal expansion