YYS company was established in 1998. We are specializing in production and trade. Our products spreads over major cities in China mainland,and also spread to Europe, USA, South America, Middle East, North Africa, etc. in recent years.We believe that through professionalism, we can get deep understanding of the markets, enhance our competitiveness, and create a win-win situation for both our customers and YYS. We are proud to provide our products and service with our more than 12 years of experience, reliable attitude and profession. We design and produce keyboards, mice, speakers and...