Optics Focus Instruments Co,. Ltd.
Rm#1-1001,Bld#121,HuaShiJiang Phrase 2,
Tongzhou Distirct, Beijing 101121,
China
Tel: +86 10 61507521
Email: sales@optics-focus.com
Web: www.optics-focus.com
Our Business Hours: Mon. - Fri. 9 a.m. - 6 p.m. (UTC +8)