violarulan
https://www.irs.gov/zh-hant/businesses/small-businesses-self-employed/how-to-apply-for-an-ein
Apply By Telephone International Applicants
也可以去淘宝上找人申请，但是很多都不负责任，最好自己打电话申请。
地址长度也有限制，我现在不清楚用美国地址還是中国地址那个对税务处理好
到了报税的时候给你发1099k表格
https://www.irs.gov/businesses/understanding-your-1099-k
from payment card transactions (e.g., debit, credit or stored-value cards), and/or
in settlement of third-party payment network transactions above the minimum reporting thresholds of –
- gross payments that exceed $20,000, AND
- more than 200 such transactions
