obviously a scam if they lie about volume , and 18 dollars for fees is a sign of cholera sweatshop flybynighter bastards . REPORT REPORT . CRIMINALS
They already have bad reputation here on the forum and you are not the only one who noticed the huge withdrawal fee.
I would like to add this here and maybe it will other people to ignore this exchange.
read more here
https://bitcointalk.org/index.php?topic=5169895.msg51992700#msg51992700