After ordering from what I now believe to be a fraudulent website, I received a "track your order" email from China, with the advice: "Should you have any further questions please use the following link http://www.billingsupportsystem.com to contact us back." The website does not recognise my login details.
Note that when placing the order for the original goods (sunglasses), the payment was taken by what appeared to be a European Bank, based in Latvia, and there was no mention of billingsupportsystem.com.