Any company based in Asia that outright refuses Paypal or a credit card payment which allows a chargeback in the event of non receipt of goods would be raising a red flag from the outset for me.

Having said that I have as a last resort used an international SWIFT transfer from my local bank (fee involved which varies from bank to bank) when there is no other option after thoroughly doing a background check on the business I intend to transact with.

The key point is to do due diligence before dealing directly with any company in that region regardless of payment method and by looking at who/what kind of business associations they have had in the last five years.