This information must be sent by regular mail or airmail to one of six postal addresses in portsmouth , new hampshire . applicants must use the correct postal zip code designated for their native region ( see addresses below ) . the entry must be mailed in a standard letter or business - size envelope with the applicant s native country , full name , and complete mailing address typed or clearly printed in the english alphabet in the upper left - hand corner of the envelope 这些资料必须经平邮或空邮寄至新罕布什尔州朴茨茅斯市六个邮递地址之一，申请人必须使用正确所属区域地址（请参阅下列地址） ，申请信必须放入标准之邮递或商业信封之内，信封左上角用英文打字或正楷书写申请人之抽签资格国家或地区、姓名、邮寄地址。
To establish a resident representative office in china , you shall obtain the relevant government authorities approval firstly . the enterprises headquarters shall prepare detailed application documents , such as an application letter , a credit certificate of the enterprise , the description of the potential office and other document , then you should submit them to relevant authority 要想在中国设立常驻代表机构，首先需取得国家有关部门的批准，外国企业总部需准备较详细的申请文件，如总公司出具的申请信，总公司的资信证明，拟设立代表处的简介等等，然后将其交到相应的审批机关。
