Shenzhen Chang Kun Technology Co., Ltd.

Add  ：No. 12, Shijia Road, Biling Community, Biling Street, Pingshan New District, Shenzhen

Code：518118

Email ：changkunkj@163.com

Tel：0755-29100487-0

QQ：2116152018

After-sales service time: (Monday to Friday 9:00-12:00 14:00-17:30)