Shenzhen Guanlian Communication Technology Co., Ltd.

Phone: +86 755 8419 3000

Mobile: 18507533999 He Sheng (same number on WeChat)

Fax: +86 755 84193093

Email: help@gl-com.com

Address: 4th Floor, Building A, No. 2, Xinchao Industrial Zone, Caiyun 1st Road, Longcheng Jixiang,                               Longgang District, Shenzhen, Guangdong, China