The tax office with the tax certificate cancelled in Jiulongpo District of Chongqing can handle it at the tax office, and the related business needs to be handled during business hours. Jiulongpo District, located in the southwest of Chongqing, is one of the main urban areas and metropolitan areas of Chongqing and an important part of Yuzhong Peninsula surrounded by the Yangtze River and Jialing River.