In the following section, part of the past projects of the WOLTZ GmbH are listed:

Glass wool line:
RESA-Glaswolle, Wolfen, Germany
Lauschaer Glaswerk, Lauscha, Germany
Zapsibgasprom, Tjumen, Russia
Aryana Pars, Eshtehard, Iran

Rehabilitation glass wool line:
Glass Wool of Iran, Shiraz, Iran

Production line for sandwich panels:
Zapsibgasprom, Tjumen, Russia

Glass wool recycling line:
Pfleiderer, Novo Mesto, Slovenia

Rebuilt basalt melting unit:
Isoroc-MAT, Tambov, Russia

Rebuilt glass melting unit:
Tisma, Tjumen, Russia

Single bushing test unit for basalt:
Rockwool International, Hedeusene, Denmark

Sliver production unit with 5 spinning machines:
Lauschaer Glaswerk, Lauscha, Germany

4 to opal glass furnace full electric:
Luminos, Slovenca Bistrica, Slovenia

8 to crystal glass furnace:
Luminos, Slovenca Bistrica, Slovenia

Skein fiber machine, fiber cutter:
RJRT, Winston-Salem, USA
Twiga, New-Dehli, India

Glass microfiber line (E-glass, rotary):
TFG, Spechtsbrunn, Germany

Glass granulate dosing system:
Vitrulan, Hasselbach, Germany

Platin feeder electric heated:
Steklarna, Rogaska, Slovenia

Platin remelt tank:
Pfleiderer, Wesel, Germany

Flow bushings:
Sterklarna, Rogaska, Slovenia

Cold top full electric glass melter:
TFG, Spechtsbrunn, Germany

Production line for filter mats:
Volz Luftfilter, Horb, Germany

Chopping unit:
Chemto, Marl, Germany

Glass feeder for Vello pipe drawing machine:
TFG, Spechtsbrunn, Germany

Complete remelt yarn production line:
Glass Wool of Iran, Shiraz, Iran

Pelleting machine:
TFG, Spechtsbrunn, Germany
Twiga, New-Dehli, India
Glass Wool of Iran, Shiraz, Iran