Your Optical Filter Partner

Dear all,

With the coming of Chinese traditional Spring Festival, Optolong office would be closed from 21st January to 3rd February. We would resume from festival in 4th February. If you have any inquiry during this period, please contact sales manager May Xia.

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.


Wechat: XIAMMM0208

We are sorry for any inconvenience. And we would like to take this opportunity to wish you and your families all the best for a happy New Year!

Optolong Optics Co,. Ltd