Guangcheng Technology
GC-4622 user manual
Sales and service
Shenyang Guangcheng Technology Co., Ltd.
Address:
No.135-21, Changqing Street, Hunnan, Shenyang, Liaoning, China.
E-mail:
sygckj@gmail.com
Tel/ Whatsapp:
+86 13644001762
Skype
:
live:sygckj
WeChat
:
gckj777
Website:
www1.gcanbox.com