3rd Floor, Expert Building No.1, Yinhe sofeware zone, Xizang Road, Beihai

Beihai Galaxy Switch Devices Co., Ltd. (Galaxy Switch for short) is a subsidiary company of Guizhou Changzheng Tiancheng Holding Co., Ltd. and also a shareholding company of Guangxi Yinhe Decom Electr...

Xinxi Fuhua Bldg., No. D-12, Information Ind. Zone, High-Tech Zone, Qixing Dist.

Guilin Tryin Technology is provider of optical networking products and solutions.From the establishment until now, Tryin always focus on the development and progress of the global optical communicati...