Is there any geographical restriction for Xiuyu to join? Where is Xiuyu open to join?

1) A city without a direct store in Xiuyu.

Xiuyu Direct Store City:

Chongqing Chengdu Zhengzhou Shanghai Guangzhou Changsha Hangzhou Wuhan Suzhou Shenzhen Beijing Nanjing

Nanchang Nanning Kunming Xi 'an Tianjin

Shenyang Fuzhou Hefei Ningbo Guiyang Changzhou Qingdao Taiyuan Wuxi Changchun Zibo Jinan

Mianyang Lanzhou Xichang Neijiang Nantong

Panzhihua Harbin Shijiazhuang Urumqi

2) Provinces and cities (autonomous regions) that are not open to joining at present:

Ningxia Qinghai Hainan Inner Mongolia