Refrigerators for hospitals import request from New Zealand

Dear sir
My company ** is based in NZ and Australia and we supply hospitals and medical centres and pharmacy with Medical fridges.
Mostly for vaccine storage I am trying to find a supplier of domestic fridge cabinets at a very competitive price.
I will then convert these cabinets to Medical specs by adding a min max controller, a door lock plus changing a few other things.
We buy large quanities of fridges each year I now have a company set up in the UK and will be also be suppling the E