Beijing topphotonics technology development co. LTD

Address:Room 1007, Huacai building, building 2, yard 16, Guangshun North Street, Chaoyang District, Beijing

Tel： 86-010-59780025 ​

Fax：86-010-59780026

Contact: Mr. Shen, Mr. Zhang  

E-mail： sales@topphotonics.cn​(Product consulting)

             marketing@topphotonics.cn​(The exhibition meeting)

Web: topphotonics.com