The Hong Kong Monetary Authority (HKMA) is responsible for regulating Authorized institutions (AIs), Stored Value Facility (SVF) Licensees and Money Brokers in Hong Kong. Relevant AIs are namely licensed banks, restricted licence banks and deposit-taking companies. You may refer to the list of AIs, SVF Licensees and approved money brokers under the HKMA’s supervision at:
http://www.hkma.gov.hk/eng/other-information/registers.shtml and http://www.hkma.gov.hk/media/eng/doc/key-functions/banking-stability/banking-policy-and-supervision/name_list.xls
Please be informed that the companies mentioned in your email ( Swipex ou, Dagcoin ou, Dag Corporation Limited, Succsess Factory ou) are not an AI, SVF Licensee or approved money broker, therefore, they are not supervised by the HKMA and we do not have their information.
You may wish to approach the Financial Services and the Treasury Bureau (FSTB) which is the coordinator within the government to answer questions related to the crypto product.