Below is a sample email to request an outbound transfer from another broker to Futu HK. For any additional/specific requirements, please refer to the other broker's publications or contact them directly.
1) To: xxxx@example.com (the other broker's email address)
2) Subject: Request for an Outbound Transfer
3) Body:
To whom it may concern,
Please see the attached stock transfer form to continue my transfer.
I have contacted Futu HK to receive my position. Please contact me at +852-xxxx-xxxx if there are any questions.
4) Attachment: Attach the stock transfer form (take a photo of the form and attach it to the email)