Wenzhou Yongji Optical Co.,ltd. is a professional sunglasses & reading glasses manufacturer, established in 1998. Yongji specializes in private labeling from big box chains to individual operated Amazon private label sellers. We export eyewear to customers all over the world but especially concentrated in North America, South America, and European countries. The products that we private label for customers are loved and widely appreciated by consumers all over the world. Yongji operates out of facilities, one lies in Wenzhou which mainly produce metal styles, the other lies in Taizhou which mainly produce plastic injection sunglasses. Our R&D team follow the latest trends every month and we offers the latest in fashion. Our specialty is in frame coloring as you will find that our color combination will differ from our competitors. While anyone can make a black pair of sunglasses, its often the secondary colors that will set your business aside from others. We firmly believe that our professional service and reasonable price will create great benefits for your business. We hope to earn your business today. We could arrange the existing samples delivery immediately.Question 4: Can I customize my logo or any redesign the products?Yes, of course. The OEM is available. Multi-color available as well. Question 5: What are the certifications do you have?We have CE,FDA, ISO9001,SMETA report . We aim to provide the best quality and services to all global clients.