• Spon Communication Technology Co., Ltd. (Changsha)

  We are the national largest manufacturer of IP network internal communication intercom system! SPON Communication Technology Co., Ltd, has been a high-tech enterprise specialized in R&D for digital audio products, manufacturing equipment and system integration many years. The ...

  Telephone：86-0731-88915780Address：Lugu high-Tech development zone

• Changsha Spon Communication Technology Co., Ltd.

  We are the national largest manufacturer of IP network internal communication intercom system!SPON Communication Technology Co., Ltd, has been a high-tech enterprise specialized in R&D for digital audio products, manufacturing equipment and system integration many years. The ...

  Telephone： 86-0731-88915780Address：Lugu high-Tech development zone

• Hunan Comtom Electronic Co., Ltd.

  Comtom electronic company established in 2001, is a trustworthy supplier for PA system &Audio solution. Our main business include: broadcast System, acoustics system, and related pcba, OEM &ODM service.We have 2 factories Changsha covers 15,000 square meters. has around 500 staff; among ...

  Telephone：86 - 0731 - 89755511Address：No. 1439, Yuanda Road, Furong District, Changsha City, Hunan, China Changsha, Huna