Changzhou Sound Dragon Electronics & Acoustics Co., Ltd. (Sound Dragon) was established in 1968 and reconstructed as a private enterprise in 1997, with fixed assets of RMB 80 million and our company covers an area of over 20,000 square meters. Sound Dragon focuses on designing, manufacturing and selling professional audio products, emphasizes quality control and has ISO9001, ISO14001, ISO/TS16949 quality system certificates,ROHS approve. Sound Dragon is a new high-tech enterprise certificated by Jiangsu Province and is supported by the government.Sound Dragon is dedicated to becoming an OEM/ODM manufacturer for global audio product brands, and we provide overall solutions for customers from design to manufacture. With the loudspeaker technology superiority, Sound Dragon helps customers improve their brand values and product values by providing professional and sound quality products. Sound Dragon owns industry design teams, R&D departments and professional test equipment and workshops. Our production capacity per month is more than 400,000 sets of speakers.Sound Dragon specializes in many products for iPhone/iPod/iPad, such as speakers, wireless speakers, digital speakers, multimedia speakers, home theatre products, SD-card-reader speakers and USB speakers and we can serve customers in different markets, widen customers' product lines, and then establish, enhance and enrich customers' brand values.Sound Dragon has become a top level company in loudspeaker industry with four decades of R&D experience. Since 1999, Sound Dragon has had Japanese loudspeaker engineers developing high level products and applications. Today, Sound Dragon has about 30 engineers and our design ability has reached advanced level around the world with over one thousand models of speakers for automotive, computer, telecom, TV and sound box applications, and more than 10 patents.Sound Dragon started to cooperate with several Japanese enterprises in 1989 and enhanced the production efficiency and quality control ability by learning Japanese management concept, management method and production technology. Sound Dragon's quality tenet is "Design heartily; Select materials elaborately; Handle carefully; Check intently; Serve devoutly". Sound Dragon enjoys trust and support from the customers with the stable quality level. 98% of our products are sold to Europe, America and Japan. Most of customers are famous international companies, such as Cisco, Openpeak, Polycom, Avaya, GM, DAEWOO, COPPER, Alcatel, Ericsson and others. We are committed to providing the best service&high quality products and establishing the long-term cooperation relationship with you in the near future.