For our company, Design and development of products is completed by such engineers who are well-experienced for ages in USB industries and master much keystone and difficulty of technology for USB design during the practice, rather than others simply clone USB evaluation board.
 

1.USB Host/OTG ( Save  data )

2.USB Driver & Application for desktop PC and embedded system

3.USB firmware

4.USB WHQL .CE/UL/TUV/EMI testing