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Optical Coatings Machinery and Process - Optolong Optics Co. Ltd.

Optolong Optics Co. Ltd., brand owner of Optolong, is a manufacturer of fluorescence filters and astronomy filters. We also offer other interference filters including UV filters, visible filters, and near-infrared filters, beamsplitters, anti-reflection coatings, and optical mirrors as an OEM service. Located in Kunming city in China, which is one of the four optics centers, and coating experience of 22 years (since 1999) enables us to design and produce the filters with the most sophisticated spectrum. Optolong is also specialized in manufacturing high-volume optical filters for applications such as machine vision, analytical instruments, life science, industry detection, and lasers. With the hard thin-film coating machine, experienced filters design technician, experienced coater operator, stable control, durable property, a lot-to-lot consistency, Optolong has become the supplier choice of many international instrument manufacturers. From prototype to high-volume production, offering thousands of the most complex spectrum for clients all over the world, Optolong has been insisting on the company philosophy that not big as an elephant, but small and flexible like a hummingbird. We always pursue supreme quality and client satisfaction.
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