According to Official Guinness Records,
The largest revolving stage measures 314.27 m² (3,382.77 ft²), was used to display a Dongfeng Nissan X-Trail and was achieved by Dongfeng Nissan (China) at Chongqing International Exhibition Centre in Chongqing, China on 6 April 2017.
For a complete list of 2018 records, please visit 2018 Guinness Records in China.