How about Promise Sport independent R&D capabilities?

Jiangmen Promise Sport Products CO.,LTD has been developing our independent R&D abilities to meet the needs of clients. The professional R&D team consists of highly experienced experts and designers who keep generating innovative ideas to develop new products. From prototypes layout, testing on usability along with other features, and to refining the design before completed quad skates launched, our R&D process is complete, making us stay ahead of the industry.

Promise Sport, by virtue of its strong competence in R&D and manufacturing, is a successful and highly reputable quad roller skates manufacturer. Various in styles, Promise Sport's Quad skates can meet the needs of different customers. This product achieves both rich functionality and superior quality. FOX PRO ice skating boot is really comfortable and easy to clean. There is nothing more heartwarming than this product to someone who attaches importance to room decoration and appeal. It satisfies people's spiritual pursuits. FOX PRO speed skate has a lower-cut ankle boot which offers a wider range of motion than high-top skate.

We are ready to provide high quality 4 wheel skates. Check it!