If it is in the trading company, most of them are calculated according to the profit, but the problem is that many trading companies do not reveal the cost to you, so you can not know how much profit, in this case, can only be given to how much people.
From the above can be seen, whether in the factory or in the trading company, foreign trade salesman's commission is difficult to say quasi, only their own SOHO, their own to find customers, find suppliers, in addition to the cost and other expenses are all yours.