Hong Kong helps mainland Chinese firms go global – but can they really win now?

When Shenzhen-listed digital infrastructure provider Runjian Corporation expanded into the Middle East and Southeast Asia through Hong Kong, adapting meant more than translating software interfaces or navigating local data privacy laws.

It also meant changing the company’s working practices and abandoning the expectation, carried over from its domestic operations, that one mainland Chinese employee could match the output of three local hires.

“When expanding overseas, companies must do more than...