Winfung as a long-history direct bag factory in China has been supplying OEM services since 1990, and trying its best to improve the quality, development based on customized techpack and to keep competitive price for OEM orders. 

Today, there are so many challenges, OEM ability can't fulfill customers' needs. Winfung has improves ourselves and formed our own Research & development team to provide new technical design to customers. 

Now, we are not only a premium waterproof bag manufacturer, but also having our own experienced R&D Team. Our in-site testing lab for strict quality control, and audited strength factory with strong supplier chain can support new customers in design, samples and production.

In order to show you our development performance, we will launch our new product - Waterproof soft cooler next week, we've have the available molding in different sizes which can share with you. 

We are ready for your inquiry for more details.