Gettin my car back from paint shop need some good ideas/brands to keep shinny

[C's 94 InTeGrA]

Hey guys i got my car back it looks soo sweet wit hthe bomex kit on it ill have pics up in a week or less.. but i got a Q in some places my paint looks like its dull in places like it would be shinny in half of the car and some places the paint is dull and not shinny.. does it need to be buffed again? they buffed it but i dont think they did a good job doin it..