If you couldn't apply the discount code to your order, please found in the lower right corner of the online customer service consulting or contact us here so that we can help you out.
This error typically occurs when the billing address entered does not match what is on file with your financial institution.  Firstly,please attempt your order again with updated billing information. Please be informed that you need  to match your billing address correctly to the address which you have registered with your card issuer bank. This includes any formatting as sociated with applicable unit numbers, as well as requiring a fullnine-digit zip code for some verification.
Secondly, be advised that every instance in which this error populates results in a pre-authorization, which will simply fall off and never post to your account.For getting the better support, please contact your bank to figure it out.
Our products are set in US Dollar (USD). Please check the convert rate before completing the order.
P/s: We will try to ship out the package as soon as we could and try our best to avoid unnecessary delays in this pandemic crisis. Hope you understandand wait patiently with us.