Changzhou Institute of Huangpu District Industrial and Commercial Branch. According to the Baidu map query, the Changzhou Office of the Huangpu District Industrial and Commercial Branch is located on Changzhou Island, 1st Street, Jinzhou North Road, Huangpu District, Guangzhou. Citizens who need to apply for a business license can go there. A business license is a certificate issued by the industrial and commercial administration authority to industrial and commercial enterprises and self-employed individuals allowing them to engage in certain production and business activities.