1. Take the frozen products that need to be mailed directly to SF Express for mailing, and then fill in the express delivery form.
2. Call SF Express and wait for the courier to pick up the piece after placing the order.
3. Send the mail online, fill in the starting point and destination of the mail through SF Express official website, click Send Mail immediately after filling it out, and the appointment is successful. Just wait for the delivery staff to pick up the goods at home.