Yes, UnionPay card can be used as long as there is a POS machine.

There are many Carrefour in Wuxi, so Carrefour's supermarket card companies use it as welfare.

in addition, there is a smart card now. Can be used in the following shopping malls in Wuxi:

Wuxi Maoye Department Store Wuxi Maoye Baifu Supermarket Tesco (Wuxi) Wuxi Martha Western Restaurant Wuxi Sanyang Parkson Plaza KFC (Wuxi) Wuxi Huazhilin Humanities Teahouse Auchan (Wuxi) Poly Plaza Business Wuxi Sixiangke Family Steak House (Wuxi)

Wuxi Bohaiwan Tea Restaurant Wuxi Mingtai Department Store Wuxi Quanjincheng Korea Barbecue E-Mart (Wuxi) Wuxi Yichu Ailian Wuxi Ajiu Health Hairdressing Club Wuxi Alibaba Children Photography Wuxi Enlightenment Bookstore One Tea One Sit (Wuxi) Regent Harbor Tea Restaurant "Go to Tea" Tea Restaurant Sichuan View Restaurant Lilac Garden Cafe Wal-Mart (Wuxi) Trust-Mart (Wuxi)