Payment Methods:

1. Credit Cards  -  Visa, MasterCard, Discover card Payment can be used for making your www.us-nano.com purchase online. *** Please note: If you receive the message "the transaction cannot be processed", please contact your credit card company/bank to unblock the transaction. 

2. Purchase Orders - Customer must have credit history with us! Payment term is due within 5 days, 10 days, 15 day, and 30 days (based on your credit background with us) of shipment being sent out.

3. Advance Payment - Check, Wire Transfer and Bank ACH Payment. Note that if advance payment is chosen, we cannot send out shipments until the funds are received. Please contact us for bank information!

***All international customers and customers outside Texas in USA have no sales tax. If you are customers in Texas and you have sales tax examption certificate/wholesale license , you are qualified with no sales tax. However, you need send us your tax examption certificate / Sales and Use Tax Permit, then we can add your account as non-tax customers.