@hornoxx said:

An impressive work and- pure SketchUp? - graphically very well presented !!!
Could you please add pictures with slightly higher resolution? - I think your detailed work is worth it
I suppose this is a real project?

PS:
Do I see this right - this is your first post here?
Wow !!! - so I'm looking forward to your future posts

Yes,It's a real project.

This factory model was built two years ago！I must be more patient.
It's a huge challenge to build the whole chemical factory by myself.I think controlling the size of model is very very important.