we are new to this forum and we would like to represent you our own product.
It is water propulsion system with unique dual cooling system. The size of impeller is 80mm, and it can produce up to 50kg of thrust. Currently we are developing a 100mm version for even more fun on the water. You can check our product on our official website MA-3D .
If you have some questions about our products feel free to ask to: firstname.lastname@example.org