How to recharge Nanning elderly canteen

the person in charge of the canteen recharges. The dining card of Nanning senior dining hall can be recharged by the person in charge of the dining hall, who has a recharging machine. Nanning, referred to as "Tancheng" for short, also known as Greentown and Tancheng, is a prefecture-level city, capital and I-type big city under the jurisdiction of Guangxi Zhuang Autonomous Region. Users can go to the office of the person in charge of the canteen to recharge.