I will help you with your packaging or product project modeling it using 3d software like Rhinoceros or 3DS MAX, and rendering with V-ray, adding details with photoshop as post-production.
Please indicate what do you need, the dimensions of your product, the materials you would like to see on the render and I'll be glad to start with it.
This service includes 2 rounds of changes after sending you a preview of how will look the render.
Feel free to contact me if I did not cover yet some doubts you have.