G & G Slotted Core Vents, LLC is a family owned business started in 1991.  

Originally part of the ACE Manufactuing Company from Weyauwega, WI, G&G Corevents and Machining was established in 1991 by Kent Gehrke.  G&G specializes in producing box core vents which are used in a variety of blow mold, foundry molds, and other applications.  G&G also provides custom machining parts which are created by CNC or screw machines.

Please feel free to contact us with questions and quote requests.






G & G Slotted Core Vents, LLC                                                                                                                                                                                                                                 920-867-4200
Hortonville, WI U.S.A.                                                                                                                                                                                                                          ggcorevents@gmail.com