letter of guarantee for production of bill of lading

例句：

1. 1.The company issued a letter of guarantee tothe bank for its new project.
   公司向银行出具了为其新项目出具的担保函。
2. 2. The buyer requested a letter of guaranteefrom the seller before signing the contract.
   买方在签订合同前要求卖家出具一份担保函。
3. 3. The letter of guarantee is required bylaw for the exporter to obtain theimporter's payment.
   法律规定出口商需要提供担保函以获得进口商的付款。