Hyperbaric chamber suppliers, exporters, manufacturers from Turkey

Hyperbaric Chamber
We are interested in purchasing products as stated above. Our inquiry is:
- Hyperbaric Chamber for 1 or 3+1 person.
- New or used, we are interested in both types, is it possible to have a pricing?
- Are there a differences in pricing if more then one pieces are bought?
- Is there any difference in pricing if the chamber is bought as a legal or as a physical entity?
- Terms for maintenance and warranty, again pricing differences;
- Training and operator certification,