Our company, established in China Shanghai in 1990, We are acoustic occupations in computers manufactories , is a professional manufacturer of computer speaker and subwoofer according to OEM/ODM orders from many foreign countries.Brand name:OVO. Products are well received in the international markets, and we'll ensure your satisfaction with excellent quality/elegant appearances/first-class services/specialized teams and modern design. If you inquire us online or mail to us we will offer you detail information in time for the next step of business. Welcome to contact us at any time!