Is Sub-National Diplomacy Possible?

The US is offering technology transfer of F414 engine for the advanced medium combat aircraft that India is developing. It's also offering local manufacturing in India of this jet engine. Rolls Royce, which is a British company, is offering its EJ 200 engine with 130 kilo-nhertz of thrust and saffha is considered a weak contender because of its low thrust engine. In these commercial airplane engines, the temperature inside reaches nearly 2000 degrees Celsius.