Dongguan Sunglow Electronic Co., Ltd. (Guide-Sound) is a professional private enterprise producing various kinds of louder speakers, headphones, audios and other accessories. We supply total services for OEM customers while depending on advanced equipment and cost control policy. Sunglow was established on 12th, Nov., 1999, covering an area of 4900 square meters. Sunglow is a professional private capitalized electronic manufactory focusing on loud speaker, headphone, audio and other ...