Suning.com (Hai'an Qutang Yigou Service Station)

China Mobile (Hai'an Qutang Shuzhi Service Office)

Xiaomi Authorization Shop

Huawei Authorised Experience Store (Qutang Renmin Road)

Jingdong Mobile Phone Digital

OPPO Guanfang Authorization Experience Branch (Nantong Hai'an Renmin Middle Road Branch)