Is PTC35 scam?

Vietnam
August 23, 2011 4:27pm CST
I asked to withdraw since 16th august 2011, then i saw they marked the payment as received since 17th august 2011, but now i still don't get the payment. It's nearly 1 week...and i'm still waiting for the payment. I emailed them but there's no reply. is anyone use this site?
No responses