MRT provides free shipping for any orders with(bulk micro sd cards,bulk sd cards, bulk CF Cards and Custom usb flash drives ) 300pcs.

If the order quantity is less than 300pcs, the shipping cost will be USD$35 only!

It is USD dollar, we also accept Euro, Pound and the other currency for the payment

MRT has listed sorts of prices based on different quantity, you can contact us by sales@mrt3c.com if you have demands of 10,000pcs or more. We will do special offer for it.

Yes, MRT has complete online order system, you can proceed the order by PayPal. Any quantity or product can be added to online order.

Normally it takes 3-5 days for receiving if you order bulk Micro SD Cards and Bulk SD cards.

You can send us mail to sales@mrt3c.com, and advise us your specific requests.

Shipping & Returns:

MRT will ship within one day for bulk order, and 3 – 7 days for customized order

As our products are Customized Micro SD cards,SD Cards, SDHC Cards, SDXC Cards and USB flash drives, the shipping volume and weight is small. We normally use DHL, FedEx and UPS to ship by air.

It depends on the country or region you receive. Basically, it takes 3 days to America and Asian, and 5 days to Europe.

We will update tracing info by mail, you will have tracing no to trace accordingly.

If you have any issues with the order, please contact with wholesale@mrt3c.com, our customer service will help you resolve any requests.


We use PayPal to proceed online order, you can use credit card there.

We only accept payment in advance for all the order. As we have regular stock for bulk memory cards, therefore, the lead time will be one or two days only.

Yes, we accept bank transfer for any orders over USD1000

Yes, you can use credit card in PayPal

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