The chief engineer and boss leads the engineering team to work in the audio field for more than 20 years .We have experience in designing , customized , produced and OEM for well-known Brands domestic and abroad. Only the State-of-the-art materials are used to achieve the highest levels of precision, performance and durability.We have professional production and quality inspection teams. Quality control starts from all aspects including incoming material inspection, production process improvement, and production equipment testing. We strive to achieve zero defects and satisfy our customers. We insist on continuous improvement and innovation to satisfy our esteemed customers. We provide high-quality products and reasonable prices to enhance market competitiveness for our customers.OEM and ODM are both welcome. We are looking forward to establishing long-term relationships with you