Du Fujia and Li Zhengyang（astronomical expedition member from NIAOT）successfully installed the Antarctic Survey Telescope AST3-2，which were conducting on-site testing and remote testing. 

In addition，they have carried on maintenance of automatic energy and communication system PLATO-A，testing for first Antarctic Survey Telescope AST3-1 and replacement of its ccd as well as installation of automatic weather station etc. 

At present，all the work has entered the stage of completion。They are expected to return on January 22. 

astronomical equipment on Dome A 

installing testing for AST3-2 on site