For a K-1 visa, the I-134 is the proper form.
See the attached link regarding the medical exam.
I recommend that you consult with an immigration attorney that is experienced with the Chinese post to prepare you and your fiancee for the K-1 visa interview. Feel free to contact our office to se if we can be of assistance.
Avi Friedman| Attorney at Law | Wolfsdorf Immigration Law Group | 1416 2nd Street | Santa Monica, CA 90401 | (T) 310-570-4088 x249 | (F) 310-570-4080 | firstname.lastname@example.org | www.wolfsdorf.com | Offices in Santa Monica, CA and New York City
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