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  • OEM Capability

    Optical filters are the essential optical components of many applications. We served our client based on the application. The main application can be divided into three categories. Biotech instrument and analytical instrument which is highly related to life science and bio research. The instrument includes fluorescence microscope, PCR analyzer, Microplate Reader, Raman spectroscopies, invivo imager, …
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  • Why choose Optolongfilter

    Why choose OPTOLONG With a foundation history since 1999, OPTOLONG has been working and supporting our clients’ optical filter needs professionally. We keep satisfying our client’s requirements on high-volume OEM requirements or small quantity prototypes. With the company’s additional expansion, we moved to a new 2000 square warehouse and imported one new coating machine OTFC-1300 …
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  • Frequently Asked Questions Regarding COVID-19 and Optolong Optics

    What precautions is Optolong taking to avoid the spread of COVID-19? …
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  • How to order or how is the inquiry process?

    Sales FAQ
    Q: How to order or how is the enquiry process?
    A: There is two way to contact us. By mail and by phone. …
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