Guangzhou shangyi Electronics Co.,Ltd  has been specialized in the porduction of  speakers since establishment in 15year ago.  We focus on R&D, ensuring that we support you with top quality and innovative products. Our products sell well in domestic and international markets, such as Southeast Asia, Middle East, Europe ,America and are favorably appraised by clients. Our are specialized for professional speaker, multimedia speaker, bluetooth speaker, car speaker , trolley speaker and all kinds of tweeters, we provide high-quality products and reasonable prices to enhance market competitiveness for our customers. OEM and ODM are both welcome. We are looking forward to establishing long-term relationships with you.