30s Realistic 3D Animation for Product

I'm looking to create a 30-second, realistic 3D animated video of my product. The animation should primarily focus on showcasing the product, its functionality, and incorporating a few human figures, vehicles, and a machine into the scene.

Ideal Skills:
- Proficient in 3D animation software
- Strong understanding of realistic animation styles
- Creative in depicting product functionality
- Experience in integrating human figures and vehicles into animations

Please ensure your portfolio includes examples of similar work.