Dongguan Sheng Bolan Electroacoustic Technology Co. Ltd. is a professional manufacturer of all kinds of voice coils and other electroacoustic core devices, located in the first industrial zone of Changtang, Dalang Town, Dongguan City, with many years of experience in manufacturing PA, car speaker voice coils, in accordance with ROHS standards. 

         Our products are sold directly or indirectly to domestic and foreign horn manufacturers. Our quality management system is established in accordance with the ISO 9001:2015 standard (IATF16949 is planned to be implemented in the third quarter of 2024) and our products comply with national and industry quality standards. 

         The company has professional technicians with more than 18 years of experience, advanced testing equipment and professional temperature resistance (life) testing instruments on site, a professional production and quality control team to achieve quality assurance of shipments.

          The company's management team has extensive technical and management experience and is able to provide customers with products of excellent performance and quality, as well as technical support and service for their applications to the extent that product functionality allows. We will constantly strive for continuous improvement and management enhancement for the sake of customer value, with good quality, low cost and fast solutions to meet customer needs. 

          Quality policy -- excellence, quality excellence, people-oriented, integrity management, welcomed by consumers everywhere and praised by loudspeaker manufacturer. 

          Peak focus, specialising in the design and manufacture of high quality, large diameter, high power voice coils.