Awesome
The beggining starts off pretty swell with the percussion and bass, and when the melody starts to fade in, the energy kind of fades, but I see why you had to do that.
The melody is perfect, but the synths you used in the beggining were a little too low pitched for my style, but all is well, I cant complain about someone else's style, I mean that would be biased.
And the other fade in for the next melody around 1:42 comes in with lots of energy, its what techno needs and the high pitched sound you have during the playtime of the melody, just fits in perfectly and completes that part.
After that the song sort of lost its flow until around 4 minutes through, then the energy came in again, but with more complexity and ear pleasing sounds, good work, just a little plain throughout some parts. And for the last few seconds, i didn't think it was the best way to end the song, maybe try not putting the fequency or whatever you used to a high amount, just lower that a little.