How can I get my husband visa?

Hi I'm living in china from last 3 year and I've student X.my husband live and work in UAE (Dubai).now we both made plan for living together . he can afford his self and my self Even all my expenses of living and tution paid by him already.
so how should we apply and how can I get his permanent one like I've 2 more years remaining here.so I need his 2 years as well
Plz guide well and do let me know one more thing that which documents would be require for him thanks