Air Guilin now taking the lead on the hna group especially for 30/30.Qindao also good although heard they had issues wth caac...avoid lucky air (extremely old chinese way of running and airline also qar sick) and West Air (worst roster on par with spring and on top of it 15/15 outdated and not worh it as I heard they removed transport and housing but don't provide any allowances like others.Good luck