信用证是国际贸易和国际承包工程中主要的结算方式之一,它应用广泛,被视为收汇风险最低的一种支付方式。其优点是银行承担了第一性的付款责任,以银行信用代替了商业信用,有利于卖方或承包商安全收款。国际工程承包中的成套设备供货大多采用信用证方 L / C is one of the main settlement methods in international trade and international contract projects. It is widely used and regarded as a payment method with the lowest risk of foreign exchange collection. The advantage is that banks assume the primary responsibility for payment, with bank credit instead of commercial credit, is conducive to the seller or contractor secure collection. International engineering contracting equipment suppliers in the majority of letters of credit