By turn, applicants take the WorkKeys assessment to measure their skill level and identify ways to improve, through online training, the skills that employers seek.
The impression they give is a mixture of awe at China's ambition and technical skill and a far more qualified assessment of Chinese companies' ability to run international businesses.
"Public Health Wales has undertaken a needs assessment to inform the development of services and to identify any gaps in the current skill mix of staff, " added the spokesman.