有關到一個大陸網站購物的問題

They accepts VISA card, no need for a China bank account.

How to ensure safety: don't put too much money and set a money limit (e.g. $5000) on daily transaction.

I bought some books from 淘寶網. It works like this:

1) I choose my book
2) I gave my credit card # to Alipay (淘寶網) and the amount of the book
3) The online-shop mailed me the book and informed me
4) I received the book in 3 days and authorized Alipay to release the payment to the shop

It was easy and safe.