About UsNews Center
-
The 16th. Yunnan Roadside Astronomy Night The 16th. Yunnan Roadside Astronomy Night was held from 16:00 to 22:00 on April 24th., 2021 (the 13th. lunar month) at Haigeng Dam, Xishan District, Kunming. This even was mainly to spread popularization of science and astronomy. Optolong was there.... -
2021 NEAF and Optolong Optolong will experience 2021 NEAF, the Virtual Astronomy and Space Expo on 10th. April, only one day. ... -
Statement Resignation of Melisa Liu(刘玲艳) by Optolong Dear Valued clients, Effective from 22nd.,August 2019, Melisa Liu(刘玲艳) is no longer the staff of Optolong Optics Co.Ltd. She does not possess the authority to present our company in any transaction and deal. If you have any problem, please feel free to contact Helen Wen at email: [email protected] ...
