United States to study foreign student visa valid for up to 4 years

【-News 】 foreign students who have passed the VisaMantis review and has been approved by Visa, its period of validity of VisaMantis review up to complete an approved learning project period and a maximum of four years, but if this replace the learning project students, the results of the review is no longer valid; such as re-apply for a visa, you will need to accept VisaMantis review, temporary staff, exchange visitors and corporate transferees as by VisaMantis review, valid up to completion of an approved activity period, up to two years, if the visa holders in the United States engaged in the changing nature of the activity, the results will fail; re visa are required to undergo VisaMantis review. 【-school.】