Optics Focus Instruments Co,. Ltd.
Rm#1-1001, Bld#121, HuaShiJiang Phase 2,
Tongzhou District, Beijing 101101,
Tel: +86 10 61507521
Our Business Hours: Mon. - Fri. 9 a.m. - 6 p.m. (UTC +8)
Please note that we will be closed for National Day from September 29th to October 6th.