According to our company policy, sample is free and you only have to pay for shipping to your destination. Please see product pages for sample size availability.

We strive to maintain sufficient inventory to meet your needs. In the rare case that a product is out of stock, you will be notified at the time of your order. We will then do everything we can to ensure that your order is fulfilled.

You can contact our customer service team via: Email: info@mkriver.com Phone: +84 90 284 55 52 

Shipping charges vary based on your location and the products you have purchased. For an accurate estimate of shipping charges please proceed through the checkout process, entering in your items and address.

Full of Bill of Lading, Commercial Invoice, Packing List and Origin Certificate, or as your market special requirements.