Optolong Optics Co .,Ltd  

Optolong Optics Co., Ltd is the brand owner of optolong who is a manufacturer of astronomy filters, fluorescence filters. We also offer other interference filters like UV filters, visible filters and Near inferred filters, beam splitter, anti-reflection coating and optical mirrors as a OEM service. Located in Kunming city in China which is one of the four optics center and the coating experience of 23 years (since 1999) enable us to design and produce the filters with most sophisticated spectrum. We are glad to declare that Optolong has been become the first and only non-replaceable brand for astronomical filters in China. Optolong brand is also known as the comparable filters with international brand by distributor client around the world. Five bands bandpass filter L-PRO has gotten the most positive feedback from astronomy photographer, astronomy amateur. We also manufacture others filters like UHC, H-Beta, O-III, H-Alpha, SII, LRGB, Night Sky H-Alpha are also the. Check more info on the astronomy filters page.

Why Choose Us

Business Type: Manufacturer/Factory & Trading Company
Main Products: Optical Coating Filters
Year of Establishment: 2003-03-11
Number of Employees: 14
Product Certification: RoHS
Cooperated with Fortune 500: No
Repeat Buyers Choice: 10%~30%
Address: Optolong Optics Co., Ltd,Room 1523-1526, Sunac Office Building, Popular Science Road Lianxiang Technology City, Wuhua District, Kunming City, Yunnan Province
Plant Area: 155 square meters
Registered Capital: 5,000,000 RMB
Test Reports for Raw Materials: Others
Main Markets: North America, South America, Europe, Australia, South Asia
Annual Export Revenue: 16,250,000 RMB
Number of Foreign Trading Staff: 7
Supply Chain Partners: 21
Minimum Order Quantity: 10 Pcs
International Commercial Terms(Incoterms): FOB, CIF, CFR, EXW
Terms of Payment: T/T, PayPal, Western Union
Average Lead Time: Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Overseas Agent/Branch: Yes
Export Year: 20 Years
Nearest Port: Guangzhou Port
Production Lines: 3
Inspection Type for Finished Products: 100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished Products: Have instructions and uniformly followed
QA/QC Inspectors: 7 people
Traceability of Raw Materials: Yes
ODM Service Available: Yes
OEM Service Available: Yes
R&D Engineers: 1 people
New Products Launched in Last Year: No
Customization Options: Customization from Samples, Customization from Designs, Minor Customization
Production Machines: Ultrasonic Cleaning Machine, Coating Machine, Laser Marking Machine, Automatic Microtome, Opposite Cutting Machine, Packing Machine, Cleaning Table, Freezer