Amazon isn’t the only delivery service testing flying robots Amazon isn't the only delivery service testing flying robots. DHL and microdrones are testing drones that could be used to deliver urgently needed goods to hard-to-reach places eg medicines to remote sites. Deutsche Post DHL Germany'€ express delivery and mail company is working with German UAV provider microdrones GmbH to test various methods of flight (piloted or autonomous) types and weights of packages etc.