Dondyang Redsun Electro Acoustic Co.,ltd located in Dongyang,Zhejiang, is a professional OEM/ODM loudspeaker manufacturer with two decades experience in speaker business. Redsun developed from a small workshop 20 years ago. It is growing to be an professional manufacturer of loudspeaker.We employs more than 120 staffs,with building areas of more than 50000 square meters.We have 3 standardization workshops with 4 production lines.Our main products include coaxial car speaker, tweeter, midrange, subwoofer, PA speaker and multimedia speaker,etc.We have a sound testing center,a loudspeaker development center with 4 engineers.The test center is equipped with full anechoic chamber and various advanced testing facilities to ensure product quality. In 2009, our company passed the ISO9001:2008 quality evaluate and got the certificate in the same year. We firmly stick to the quality system and CE,ROHS certificates. Till now,we also got more than 10 copies of trademark certificates, 8 copies of certificates of utility model patent and 11 copies of certificates of design patent.In 2018, our brand"soway" is been selected as the famous trademark by local government.In the same year,our company is selected as high-tech enterprise by Jinhua government.Till now,except for domestic market,we have sold products to Western Europe, Eastern Europe, Middle East,Southern Asia, Southern America,Africa,etc.Southeast market cover 30%,Middle East covers 20%,Southern America covers 10%,East Europe covers 5%,and Chinese domestic market covers 30% in our sales.We invite you to spend some time surfing our Web site. Check out the newest product line, learn more about the products.We think that we'll capture your passion. And that you'll want to see and order more.