Shenzhen Hangduo Technology Development Co.,Ltd.

Contact: Song Fangzhen

Tel: +86 0755 28067653 

Mobile phone:+86 13825243583

E-mail:szhangduokeji@outlook.com

Website: www.hangduokeji.com

Address:Room No.821, Hongyu Building, the junction of Donghua Two Road and Longguan East Road,             Longhua Street, Longhua New District, Shenzhen, Guangdong, China