Before 24:00 every day. Making an appointment with CCB to repay your loan in advance can save repayment time. People in Tanggu make appointments before 24:00 every day. Tanggu Town is located in Tianjin City. Tanggu was established as a land in the Song Dynasty. It has a history of more than 800 years. Because it strangles the throat of the Hai River, it has an important strategic position and is known as the "Gateway to the Capital Region". On the eve of liberation, the south bank of the Hai River belonged to Tianjin County. , the north bank of Haihe River belongs to Ninghe County.