Letter of authorisation issued to yu yi chun

Primary contact and beneficial owner for yushimaoyiyouxiangongsi

Letter of Authorisation should be on a business letter head containing business name and Point of Contact name as provided while registering. A sample can be found on the help page.

Document should be signed by legal representative of business.

Document should have been issued on or after 08 Jun 2019

i have no idea what kind documents i need to provide.