No.29, Section 2, Renmin North Road, jinniu district, Chengdu, Sichuan. Chengdu thermal underwear wholesale market generally refers to Haifa underwear city, which is a professional brand underwear wholesale and retail market in southwest China, and there are many thermal underwear stores. According to Baidu map, it is located in the south of Haifa Building and the north of Chengdu Hotel. There is a bus stop near the North Railway Station, which can be reached by bus No.9 and 15.