可以获得有效期10天以内的一次入境有效签证。
可以获得有效期2个月以内的一次入境有效签证。
申请二次入境有效F（包括团体）签证须提供一类或者二类授权单位邀请函电；
To apply for repetitious valid F visa needs to provide a letter or telegram from the senior authorized organizations.
申请L签证，须提供处理紧急事务的相关证明，可以获得有效期3个月以内一次入境有效签证。
Foreigners who apply for L visa in order to handle urgent affairs should submit the supporting papers, and the visa would be valid in 3 months for 1 entry.
有效护照原件及护照照片页、有效中国签证、最近一次入境章复印件。
The original and copy of valid passport, Chinese visa and entry seal.
两次入境签证有效期一般为三至六个月，每次停留期为30天。
A double entry visa is valid for 3 to 6 months with duration of each stay 30 days.
而此之前，最长的有效期为六个月二次入境。
Previously, the maximum validity for these purposes was six months, two entries.
而此之前，最长的有效期为六个月二次入境。
Previously, the maximum validity for these purposes was six months, two entries.
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