I would suggest that you work for a shipping firm and get to know the details before you start your business. There's lesser risk that way.
The shipping business is a very tough business. Before starting your own business you must seek advise from all good places you can. From a person who has worked in a shipping company, a shipping company itself and wherever else you can.
Johan
Now, I am not a specialist in forwarding and logistics, but I seem to remember from my time with the chamber of commerce, that this is a business sector where you still need a Chinese partner. Unless the rules have changed recently. I think it is similar as with the courier companies. But again, that was a while ago, and maybe someone with fresher knowledge can fill the gaps.
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