Youshiai is a company specializing in the R & D and sales of electronic products, headphones, connecting wires, automation equipment and electronic equipment.We have two associated factories are located in Shenzhen which is founded in 2013,Badong (Hubei province) which is founded in 2020 , total covers an area of 5,000 square meters, with 15 production lines. We have hundreds of experienced staff members, including more than 20 experienced management persons and technicians with rich experience, we can help solving design and process related problems.Our Main Products include: wired earphone, T W S Earbuds, Wireless Charger, U S B Cables, and Other O E M, O D M items.ODM and OEM service are available. What we focus are quality, user experience, and high cost-performance. We are willing to grow with customers together.