we are the manufacturer that specializing in portable speakers for 22 years. With many years development and operation experiences, we have had a strong team, inculding : management; R&D; produce; Q&A...Ect. and also acquired many of techno-patent, like as structure design, leather-cavity technique...Ect. so that we are confident assurance that offer our clients cost-effective products with competitive prices and high quality.Additionally, we could provide OEM&ODM for our customer