1. Taian Dongyue Motor Vehicle Testing Co., Ltd. Manzhuang Station is located in Nanliu Village, Manzhuang Town, Daiyue District, Taian City, and its business scope is vehicle testing.

2. Taian Dongyue Motor Vehicle Testing Co., Ltd. Beigao Station is located in Laijiatuan Village, Shanggao Sub-district Office, Taishan District, Tai 'an City, Shandong Province, and its business scope is to inspect vehicles.

3. Tai 'an Dafu Motor Vehicle Testing Co., Ltd. is located in the north of Zhonglian Cement Factory in Houshengzhuang Village, Shengzhuang Town, Taishan District, Tai 'an City, and its business scope is testing vehicles.

4. Tai 'an Dafu Motor Vehicle Inspection Co., Ltd. Great Wall Road Inspection Station is located at No.609 Great Wall Road, High-tech Zone, Tai 'an City, Shandong Province, and its business scope is vehicle inspection.