受益人证明书是一种由受益人自己出具的书面证明，以证明自己履行了信用证规定的条款，如证明所交的货物的品质、证明运输包装处理，证明按要求寄单等。

受益人证明样本如下：

长城贸易有限公司

GREAT WALL TRADING CO.,LTD.

Room 123 HUASHENG BUILDING NINGBO P.R.CHINA

TEL: 010-12345678 FAX: 010-87654321

受益人证明

BENEFICIARY’S CERTIFICATE

                                       TO: 收货人的信息             INVOICE No..: 发票编号

                                                                                    S/C No..: 销售确认书编号

                                                                                     L/C No.:信用证编号

Dear Sirs:

We hereby certify that one set of non-negotiable shipping documents together with the original from A have been sent to the applicant by airmail within 48 hours after the shipment.

尊敬的先生：

兹证明，一整套不可转让货运单据和原产地证已通过航空信在装船后48内寄至申请人处。

GREAT WALL TRADING CO.,LTD

张三