1. Gansu Yaoxin Boli Aluminum Engineering Co., Ltd. is located at No.9-406 Brand Street, Wudaoxian Village, Qinchuan Town, Lanzhou New District, Lanzhou City, Gansu Province.
2. Lanzhou Yixin Construction Engineering Information Management Consulting Co., Ltd., registered in Zone F of Greenland Smart Financial City, Lanzhou New District, Lanzhou City, Gansu Province.