Wuliangye's Yibin estate is the historic production center for its five-grain strong-aroma baijiu.
Headquartered in Yibin, Sichuan, Wuliangye operates an extensive baijiu production estate built around historic fermentation pits, large-scale solid-state fermentation, maturation, and storage. Official company material describes an 18-square-kilometer industry park and identifies the Yibin address as the center of the operation.