It's best to apply for an international visa at the Bank of China and swipe your card directly when you want to use it. Safe and convenient.
MasterCard can be used in Norway, but you must ask your bank whether your MasterCard can be used in Norway. When some banks open cards for customers, they do not automatically open cards for customers to use in other countries, and customers need to open cards themselves. This is for the sake of credit card security. In addition, you need to see how much your MasterCard cash withdrawal is. Some are only a few thousand, some tens of thousands, and some tens of thousands. If you think your withdrawal amount is not enough, you should ask the bank to increase the withdrawal amount.
With MasterCard, it is enough to bring 1 to 2000 Norwegian kroner in cash. It is not safe to bring more cash.