Beware i think its a scam

tried calling back -but phone is not receiving voice mail nor has a standard greeting

BTW at the bottom of this page, it says:
(604) 484-8164
Country: Malaysia
fixed line

i just had a phone call from those guys..i gave my information away...i got so excited about their promotion and blah.....and now i dont know if they are going to charge for 500$...

they keep bugging and its annoying me...

Just received a call from this number wanting to talk about our Mastercard when i started to question her she hung up.