This is OK, maybe it would help if it had some sort of background ambiance or deeper string chords because it sounds quite empty and a piece that's based on strings usually benefits from sounding fuller!
It's not a bad piece, it's just quite generic I suppose. An original element (some sort of FX or a defining melody) would help it maybe! Like if I wanted to hum this to someone I don't know how I would because it doesn't have a defining melody - see what I'm saying? I dunno, that's just my feeling! :)