办理因公护照所需资料：
1. 提供内容翔实、格式标准的出访报告，注明目的或任务、出访国家或地区、出访天数、拟出发时间、人员名单、费用负担等；
2. 提供国(境)外邀请函及翻译件（格式附后）；
3. 聘用人员须提供身份证、户口本原件、合同及原工作单位(无工作单位提供户籍所在地乡、镇或街道以上单位)的意见；
4. 护照照片两张；
5. 征求意见表；
6. 任务申报审批表；
7. 事项表。
以下是国(境)外邀请函及翻译件:
INVITATION LETTER
XX XXX 2009（日期）
To: XXX（国家）Embassy,
China
Re: Mobile Crane Branch Company of Changsha Zoomlion Heavy Industry Science & Technology Development Co., Ltd.
From:XXXXXXXX(邀请方公司)
We would like to invite XXXX（被邀请人） to make a business trip to our company in the XXX（访问国） for XXXX（出访目的+时间）.
Details of Personnel
XXXXXX（姓名）
DOB（出生日期）: XX XXX, XXXX
Title: XXXXXXXXX
ID No: XXXXXXXXXXXXXXX
We have arranged all housing and travel arrangements for XXXX（姓名）. As there is a developing business co-operation with Changsha Zoomlion, XXXX is always welcome for visiting our company in the XXX（国家）.
All costs of the visit, including round trip tickets, accommodations, meals, wages and insurance will be covered by XXXXXX（费用承担方），and at the end of the XXXX(访问期间) they will return back to China
Please authorize the required staff members to be engaged in the above mentioned work on XX-days-stay visa.
Any questions you have in relation to the business visit can be directed to me as follows:
XXXX（姓名）
XXXX（职位）
XXXXXX（邀请方公司名称）
XXXXXXXXXX（邀请方公司地址）