We focus on creating the best product. Only high end advanced optical design are adopted. 

Usually 1-5 Business shipping days. For remote areas, it could be a little longer. 

Seller pays postage if a wrong order, don't like it, or change mind.

Seller pays postage if shipping damage or manufacturer defect.

Returned item must be in the original package within 30 days upon receipt. 

Your purchase is protected, with money back guaranteed. Any concern, we will try our best to help you.

Our working time(excluding holidays): Monday to Friday, 9:00-18:00. （Beijing Time）