Drone warfare has proven to be a gamechanger in the Ukraine conflict.

Ukraine has approached New Zealand about a deal to build military drones, in a new push to sell its Russian-killing technology around the world.

Ukraine has 20 countries interested and four signed agreements on drones, including Germany, Canada, Norway and Japan.

Ukraine's ambassador to New Zealand and Australia Vasyl Myroshnychenko said his country could offer unique drone innovation and he had raised it several times with the government.

"They have the proposal on the table," Myroshnychenko said on Friday.