this site http://apvpresearchchemicals.com has scammed me of bitcoins and i just want to let people know its a scam site. After i made payment, more than a week now has passed from the 2day delivery period they told me. They are not replying to either my messages or emails. Please stay off that site

here is a scam website http://apvpresearchchemicals.com that scammed me of bitcoins equivalent $750, i could'nt pay with ny card so they said i can pay with bitcoin which i did.My order had to reach me in 2days as they said but its over a week now, nothing from them and they are not replying to my messages or emails. Beware please