Production base.
Guangdong Province of Tsingtao Beer has: Tsingtao Beer (Jieyang) Co., Ltd., Tsingtao Beer (Sanshui) Co., Ltd., Tsingtao Beer (Zhuhai) Co., Ltd., Shenzhen Tsingtao Beer Asahi Co., Ltd., a total of four production bases.
Relatively large merchants, like a certain cat, often offer beers whose expiration date has been reached. They usually open a separate link to indicate the expiration date and usually sell them as lucky bags.