I sent through some bitcoins to them and the transaction has been confirmed on blockchain a lot of times but they didnt transfer the bitcoin to Hashflare.io .Those 2 companies seem to be very doubtful.Two days they didnt answer to my question
if you problem about deposit
you must contacs in service, in fast response you can write comment in hashflare offcial in bitcointalk
or send PM hashflare profile in bitcointalk