I know ARRI / APPLE / Quantel / DL / GDC ( Gobal Digital Cinema ) have their own Trusted parties ( Post houses or Institutes etc. in HKG to work with to grow more proven sites outsides US / UK / Singapore etc.

HKG is a SAR of CHINA 1st Choice ( HKG has its own law systems and Freedom under One Nation two system policy ) , Shenzhen also a SAR same law systems CHINA

Stewart Chong