Dear authors and colleagues,
We are regretful to announce that 2018 International Conference on Problems and Prospect of The Propulsion Engineering Development (PPPED 2018) is canceled due to unavoidable reasons. We are very sorry for any inconvenience caused by this cancellation. We deeply appreciate your interest and support to PPPED 2018. We wish that you would concern to join PPPED again in the future. We will contact you with the new plan of PPPED in the near future.
Best Regards,
PPPED 2018 Organizing Committee
