niceminer have provide contact info so directly connect and confirm it's trusted or not 
it's like asking a corrupt Government official if they are corrupt or not. Of course, they will say they are not corrupt. What do you expect?Besides you, two (restiv5151_0 and colingra_wood) are sockpuppet account created to make false replies here to make it look like niceasicminer.com is a legit site, yet we all know the red flags pointing it to be a scam.