中间商面临的难题在国际贸易中,中间商为防止购货方与供货方直接成交定单,泄露商业秘密,影响自己赚取差价,采取的方法之一就是开立背对背信用证。如此尽管能切断供求双方的联系,保住商业机密,但对中间商来说,一是要向开证行提供开证担保、交纳保证金或占用授信额度,同时还要承担一个独立开证人的付款责任和一个独立受 Intermediaries are facing difficulties in international trade, brokers to prevent the buyer and the supplier to place a direct order, revealing trade secrets, affecting themselves to earn the difference, one way is to open back to back the letter of credit. Although this can cut off the supply and demand of both parties to keep trade secrets, but for brokers, the first is to provide the issuing bank to open a guarantee, to pay the security deposit or the amount of credit lines, but also bear the responsibility of a separate issuer of payment And an independent subject