Shenzhen LanDun Professional Monitors Electronic Technology Co., Ltd 

Tel：（86）0755-23065119

Fax：（86）0755-27386079

Mobile：0086-15813881875 (Keven)

Web：www.sz-landun.com

Email：sales01@sz-landun.com

Add：5th Floor, Building A2, Longma Technology Industrial City, Shixin Community, Shiyan Street, Baoan District, Shenzhen
Alibaba store ：https://landun-china.en.alibaba.com