Beijing Dingyin Technology Co., Ltd

Website: www.dingyinkeji.com

Tel: +86 (010) 89728900

Fax: +86 (010) 89729700

Skype: laser.tech3

Email: w66666@188.com

Address: Room 110, Building No. 18, Jingxing Street, Nanshao Town, Changping District, Beijing

Zip Code: 102200