You can apply for card replacement in Tianjin Unicom's self-built business hall. Tianjin Unicom's self-built business halls in Beichen District and Xiqing District are as follows:

Beicang Business Hall in Beichen District: the intersection of Beiguoyuan Road and Dongguoyuan Road in Beichen District (opposite to Xia Guang Shopping Mall);

Guangqing Business Hall in Beichen District: No.78 Bajin Road, Guangqing Village, Guangqing Town, Beichen District (opposite to Century Lianhua Supermarket);

Shuang Jie Business Hall in Beichen District:No. Shunchang Road 14, Shuang Jie Town, Beichen District (the bottom business of Chailou New Manor);

Business hall of Xiaodian in Beichen District: the bottom business of Genting Garden in Xiaodian Town, Beichen District;

Huayuan Business Hall, Xiqing District: No.55 Yashi Road, Huayuan Community, Xiqing District (next to Bus Terminal No.609, Huayuan Community);

Yangliuqing Business Hall in Xiqing District: Xinhua Road 145, Yangliuqing, Xiqing District (Wumatexi);

Liukou Road Business Hall in Xiqing District: No.57 Liukou Road, Yangliuqing, Xiqing District;

Liqizhuang Business Hall in Xiqing District: Weijin South Road 156 in Xiqing District (opposite to 464 Hospital);

Xiqing Temple Business Hall: opposite to SMIC, Huiyou Road, xiqing economic development area;

Shangxinkou Business Hall in Xiqing District: south of Jinjing Highway in Shangxinkou Town, Xiqing District (diagonally opposite to Shangxinkou Village Government);

Zhangjiawo Business Hall in Xiqing District: opposite to Xinlao Road Taxation Bureau, Zhang Wo Town, Xiqing District;

Jason Wu Business Hall in Xiqing District: 20 meters south of Yonghong Village Post Office in Jason Wu Town, Xiqing District (south of Yonghong Industrial Zone Post Office);

Wangwenzhuang Business Hall in Xiqing District: next to Wangwenzhuang Government in Xiqing District (behind Wangwenzhuang School of National Highway 205 in Wangwenzhuang Town).