ORIGINAL CERTIFICATE OF GUARANTEE FOR 100PCT PIECES OF GOODS AS PER PROFORMA INVOICE NO.123 WITH VALIDITY 24 MONTHS FROM THE DATE OF DELIVERY.

• 这个怎么出?对形式发票NO.；123上描述的货物开立正本担保证明；有效期为自装运期开始后的24个月什么怎么出呀?