24 month China multy entry business visa

Hi, i will have 24 month China multy entry business visa as I will work on project for international company from midd of september. I am resident of UAE and citizien of Slovenia. My wife will accompany me. She is still citizien and resident of Slovenia till end of september, but will be soon resident of uae. Meanwhile she need to do visa for 24 month multy entry China visa . How to go on. She can do all in Slovenia byChina embassy. What documents she need? Thx Bojan