We provide premium commercial technical support for our products under terms and conditions specified on our website at http://rocket-propulsion.com/support.htm#premium_support.

Premium support contract is valid for one full year from the purchased date for a single company contact per contract.

By default, your subscription to Premium Support will automatically renew. You will be notified via e-mail when your term is about to renew. You may disable the auto-renewal at any time.