When you login to your Hive.engine wallet, click on Deposit, select HBD and you'll have the username and a memo, go to your Hive Keychain or to your Hive wallet, click on transfer, copy the username and paste it, then copy the memo also and paste it, select the amount of HBD you want to send.

You'll get the requested amount in your exchange in sometime.

#freecompliments