Shenzhen Niannianyouyu Technology Co., Ltd. was established in 1993. The company is a research headphone watch data line and a number of electronic products company, committed to providing our customers with electronic products industry ODM and OEM solutions. Our main functions include design, production and sales. Our team has more than 30 professional engineers and designers, we have the ability to provide the best quality products and services. We sincerely look forward to your business.
