If you want to add funds with RMB, you can use Alipay and set the payment method as Alipay. Alipay is only avalible for Chinese Mainland ID holders.
You will be charged the transaction fee around 2.2%.
Time: The payment will promptly arrive your account.
If you have paypal account then you can log in to make payment.
If you use Credit/Debit card to checkout, supported card by paypal includes Visa, Mastercard, Discover,AMERICAN EXPRESS.
You will be charged a transaction fee for 1.5%~4.4%+$0.3 for each payment.