2. Write down the number. If you change the number, you can also write it in. You must have a new number of 5 yards.
3. You can write it yourself, provided that you get 5 yards and have a detailed tutorial online. Check size 5. At present, it seems that only Zhejiang and Anhui in the country are free to open. There should be telecommunications relations elsewhere. If there is a personal relationship, you can check it out. If it doesn't matter, JS on TB will check it out and ask for money. General 200 yuan
4. Yes. Write the package number in 5 yards. If there is no size 5, he will ask you for money to check.