Copyright and Trademark


All content included on is the property of Shenzhen Youyue Tiancheng Technology Co., Ltd. and is protected by copyright laws in the United States and internationally. This website is also copyrighted, and no portion may be copied or duplicated. 


POPSEWING is registered trade names (USPTO Serial Number: 97104263). All unauthorized use is specifically prohibited.

All trademark and its respective designs and/or logos on this site is registered trademark of Shenzhen Youyue Tiancheng Technology Co., Ltd. The trademark may not be copied, imitated or used, in whole or in part, without the prior written permission of Shenzhen Youyue Tiancheng Technology Co., Ltd

Trademark authorization

The site is operated by Guilin Yuecheng Information Technology Co., Ltd. We are dropshipper with own warehouses, use trademark “POPSEWING” to sell DIY leather bag kits on our website.

The trademark “POPSEWING” (USPTO Serial Number: 97104263) is authorized from the owner Shenzhen Youyue Tiancheng Technology Co., Ltd. Here is the Trademark Authorization Letter.


What exactly is a trademark?

According to the U.S. Patent and Trademark Office, trademarks are words, names, symbols, devices and/or images applied to products, goods or services to identify their source.

What does a trademark do?

A trademark clearly identifies an original or distinctive product. It protects the maker's rights, and also protects consumers by guaranteeing that the product you purchase is the genuine article.