Investigators arriving at the company on September 26 "found NECC employees cleaning sterile compounding areas and and conducting environmental testing, " the report says.

CNN: STORY HIGHLIGHTS

The move would provide the Hong Kong-based company with capital for new investments at a time when the number of tourists arriving in the city is hitting new highs.

WSJ: Great Eagle Plans $800 Million Hong Kong Listing

The family then caught the same aircraft back to Cardiff, arriving at around 1645 BST on Sunday and were put up by their holiday company in a nearby hotel.

BBC: Tourists' flight to wrong country