Loading Map.... Greater Columbus Convention Center400 N High St - ColumbusEvents 39.970074 -83.000077 Date/Time Date(s) - Apr 23, 2022 - Apr 26, 2022All Day Address 400 N High St Columbus, OH 43215 United States 2022 CASTEXPO Start planning to attend the 2022 show. Meet with industry experts and learn about GK’s innovative solutions, equipment and systems for the foundry industries. Click here to learn more about the show. We are located at Booth #1303 Make sure you add us to your show planner!