Which city still has Carrefour supermarket?

Shanghai, Beijing. According to the enquiry of Carrefour supermarket in official website:

1. Carrefour has opened 236 large general supermarkets in 73 cities in China, with 60,000 employees. Carrefour is committed to becoming an outstanding corporate citizen in China and earnestly fulfilling its corporate social responsibility. Carrefour strives to provide consumers with safe and secure products to meet their different needs by setting up "agricultural supermarket docking", "food safety training" and "food safety testing room".

Carrefour has set up several stores in Shanghai, Beijing, Taiwan Province Province of China, Chengdu, Shenyang, Shenzhen, Wuhan, Kunming, Xuzhou, Fuyang, Chongqing, Ningbo, Weifang, Harbin and Shaoyang.