Note: You can apply via mail if your last visa expired within 48 months + there is no “CLEARANCE RECEIVED” text on your previous visa.
https://www.ustraveldocs.com/jp/
https://www.usvisascheduling.com/en-US/
- Feb 23th: Submitted DS160, reserved interview - Mar 13th: email from embassy, asking me to fill my Chinese name in the application - Mar 17th: Visa interview