Hong Kong Compliance Exchange supports mainland user registration, and they need to have the following supporting documents:
1. Chinese passport
2. Overseas long-term residence status (non-Mainland China and non-U.S.)
3. Proof of address in the corresponding overseas country (water and electricity bills/bank statements within three months)
4. Bank cards from 17 countries and regions (Hong Kong, Australia, Austria, Belgium, Canada, Ireland, Israel, Italy, Malaysia, Norway, Portugal, Singapore, Spain, Sweden, Switzerland, the United Kingdom or the United States)
Chinese passport needs to match overseas long-term residence status