Rules:

• 1
  This activity is only available to users who have participated in the ZBT survey questionnaire. Users who have correctly filled in the ZBT ID in the questionnaire will get 1 lucky draw chance.;
• 2 When you draw the item, we will store the item in your backpack within 1 hour. You can go to "My Backpack" to view the item (Need to bind steam account);
• 3 We'll send ZBT to your account within 1 hour when you win ZBT, you can check it in "Profile"-"ZBT Balance".