Service contract for production filling isolator

Agency need a contract to provide annual service, calibration, repairs, modifications and supply of parts original manufacturer (Metall & Plastic) parts for its production filling isolator. We are under the impression that there is only one supplier which can provide the required service. Before we proceed further, I want to check, can you do this? For further details, please read the following text. Description: The Production isolator is part of a filling line for liquid or Freeze-dried products in screw-capped v...