The use of "Limited" is more common in Britain and Commonwealth nations.

In the U.S., "Limited" is implied in "Inc", "Corp.", "Corporation" or "Company" and so is often omitted. This makes the American corporate names generally shorter as such brevity appears favored in America today.

Were it not for the fact that "NanJing Medical Company Limited", is now the official English name, the American version would probably be something like "Pharmaceutical Subsidiary, NanJing Medical Corp."