Where is the issuing authority of Lanzhou Second Construction Project?

Practice Qualification Registration Center, 4th Floor, Jianshe Building, No.305 Jingning Road, Lanzhou City. Two construction engineer certificate issued by the provincial personnel examination center or the housing construction department. The second-level constructor certificate can be divided into two types: electronic certificate and paper certificate, in which the paper certificate needs to be collected on site or by mail, and the electronic certificate only needs to be printed online.