Shenzhen Yonanson Technology CO.,LTD was founded in 2008,and is specialized in USB Flash Drives,bluetooth earphone and power bank and other electronic products.All our products come with CE,FCC and ROHS certificates,China Professional USB Flash Drive Manufacturer.We have made promotional USB flash drives, custom shaped USB flash drives and promotional power banks for thousands of customers across the globe.Yonanson then expanded into all promotional products. If there is a promotional item, gift bag swag, mobile accessory or anything else you want, we have it. Whatever you need for your business or special event to bring new clients to your door.No matter if you need swag for a trade show, marketing campaign, national conference, customer or employee appreciation we will find and brand it for you.Contact Yonanson today to get started!