外贸业务英文书信大全（19）

　　Thank you for your enquity of 25 August.We are always pleased to hear from a valued customer.I regret to say that we cannot agree to your request for technical information regarding our software security sysytems.The fact is,that most of our competitors also keep such information private and confidential.I sincerely hope that this does not inconvenience you in any way.If there is any other way in which we can help. do not hesitte to contact us again.

　　8月25日信收悉，谨此致谢。 来信要求本公司提供有关软件保密系统的技术资料，但鉴于同行向来视该等资料为机密文件，本公司亦不便透露，尚祈见谅。我真诚地希望这样不会对贵公司造成不便。如需本公司协助其他事宜，欢迎随时赐顾垂询。 祝业务蒸蒸日上!