Authorized by each platform book publishing house:
JD.COM needs two power of attorney from the publishing house and two approval forms to enter the bookstore.
Jingxi needs two power of attorney and two approval forms from the publishing house to enter the bookstore.
When Tmall enters the bookstore, it needs four power of attorney, four approval forms and four guarantee letters from the publishing house.
Pinduoduo needs two power of attorney from the publishing house, two orders for bulk sales, and two guarantees for entering the bookstore.