No. 1439, Yuanda Road, Furong District, Changsha City, Hunan, China Changsha, Huna

Comtom electronic company established in 2001, is a trustworthy supplier for PA system &Audio system solution. Our main business include: broadcast System, acoustics system, and related pcba, OEM ...

Lugu high-Tech development zone

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 the...

Room 401, Unit 1, Building 2, Qunfang Garden, No. 39, Kaifusi Road, Kaifu District, Changsha, Hunan, China (Mainland)

Sertong brand was established in 1998. Since its establishment, the company has always adhered to the concept of "honesty first, quality first, service first". Based on good comprehe...

Lugu high-Tech development zone

We are the national largest manufacturer of IP network internal communication intercom system! <br/> <br/>SPON Communication Technology Co., Ltd, has been a high-tech ent...