Currently the tunnel is used to store jugs of Kaoliang liquor. Participants even drank large quantities of Kaoliang wine in order to improve their courage. Kaoliang (70%), corn and maize (70%), wheat (80%) and soy (35%) were popular crops. In November 2015, Barone signed with Kingman Kaoliang Liquor in Taiwan's Super Basketball League. Yusan Kaoliang Chiew () is produced by the Taiwan Tobacco and Liquor Corporation. From kaoliang and corn liquors were made, including vodka, sake, beer, soy juices and vinegar. Kaoliang ranges usually between 38 and 63 percent alcohol by volume.