•Shengzhou Kedi Electronics Co., Ltd. was founded in 1992, committed to the development and production of speaker accessories, has a history of 30 years. The company covers an area of 73.6 mu, with a construction area of 49,000 square meters. The company mainly produces multimedia (consumer) drum paper, TV drum paper, passive radiator, automobile drum paper, PA drum paper, composite sound basin, and so on, with an annual capacity of 180 million sets. The company has more than 300 employees, management team of more than 60 people, including 15 professional r & D personnel, 25 quality management personnel. Enterprise management application information integration system, has passed ISO9001, ISO14001, IATF16949 system certification.