Infrared push-pull blackboard
Dongguan Chumei Electronic Technology Co., Ltd.

Company address: Room 301, Building 1, No.11, Changqing Road, Dichong, Gaobu Town, Dongguan City, Guangdong Province,China
GPS Location: Dongguan Chumei Electronic Technology Co., Ltd.

Phone: 13544214695

Mailbox: mark@cm-cunnei.com 
Whatsapp/wechat ID: 0086-13544214695