3D Engineering Models

I am looking for 3D engineering modellers who can create 3D models of machines and industries tools and equipment. It has to be as detailed as possible and would be used to create training videos for our clients.
Reference below;
https://www.youtube.com/watch?v=L24Wf0VlTE0
https://www.youtube.com/watch?v=ZQvfHyfgBtA