In this company has the work room specialized gang customer service sound the speaker loudspeaker service with the manufacture, treble ' heavy bass ' tenor ' disseminates the ' automobile loudspeaker, the new obsolete loudspeaker import and export speaker loudspeaker, all may service Price justice, after service can change with originally the product same power loudspeaker, with buys the new loudspeaker to be same oh Service appointment: Please pass on e-mail to make an appointment, after receives the letter, can have the specialized master worker on own initiative with you to contact the arrangement time