As I have visited alphaforexmarkets.com and asked about their liquidity provider in their live chat, a support agent named Merlin attend me and he/she gave details like " Nomura, Saxo, Dukascopy, JP Morgan Chase" as their liquidity provider , so I have asked to Dukascopy banks in their support mail and they have mentioned that they have no business relationship with this firm , so this means they give false details about their liquidity provislders , aslo i have attached some screenshot aboutit