It was a Fortune Global 500 company and one of the largest companies listed on the Hong Kong Stock Exchange .
Hutchison Whampoa Limited ( HWL ) was an investment holding company based in Hong Kong .
Hutchison Whampoa Limited was a Fortune Global 500 investment holding company and one of the largest companies listed on the Hong Kong Stock Exchange .
Hutchison Whampoa Limited ( HWL ) was an investment holding company based in Hong Kong .