你要走EB1C 可要小心了。我看了一下，你必须在美国以外工作3年，这其中包括给你公司在国外干至少一年。如你公司仅外派你一年，

你不够申请EB1c 的资格。看这连接：http://www.visatopia.com/services/eb-1c/
EB1C (Multinational Executive or Manager)

DESCRIPTION:
The EB-1C is a first-preference immigration petition, which means that there is currently no visa backlog for this category and priority dates are current. The EB-1C is an employment-based immigration petition designed specifically for multinational executives and managers, and must be sponsored by a U.S. employer.
REQUIREMENTS for EB-1C:
In order to qualify for the EB-1C, the foreigner must have been employed outside the United States in the 3 years preceding the petition, for at least 1 year by a firm or corporation, and must be seeking to enter into the U.S to continue service to that firm or organization’s affiliated U.S. entity. Moreover, the alien’s employment must have been outside the United States in a managerial or executive capacity and with the same employer, an affiliate, or a subsidiary of the U.S. prospective employer. The transferee’s managerial or executive duties must be at a high level that involves critical decision-making, supervising, and other job duties that are essential to the livelihood of the business.
The petitioning employer must be a U.S. employer. This employer must have been doing business for at least 1 year, as an affiliate, a subsidiary, or as the same corporation or other legal entity that employed the foreigner when he or she was abroad.
PROCESSING:
In addition to collecting all necessary evidence and documentation for the EB1C, the petitioner-employer must file a Form I-140, Petition for Alien Worker. The petitioner must also provide the filing fee, made payable to the U.S. Department of Homeland Security. Premium processing is not available EB1C petition.