Whats the best way to develop from 'Test' Database to 'production' Database ?!

I was working on some Fields & Objects in Nav Development (Test database) and now i'm finished and i want to move those changes to 'production' Database.how can i do that ?! i mean wats best way to do this - 'import/export' !! Or .. ?!i also read some blogs around import/export but those, who used this option ,they get problem with 'version list',so can anyone point me right direction ! Tnx.