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  • Ultrasonic cleaning before PVD coating

    Ultrasonic cleaning before PVD coating …
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  • New arrival Optolong 30016 FITC/AlexaFluor 488 Fluorescence Filter

    30016 FITC/AlexaFluor 488 Fluorescence Filter …
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  • Optolong New 30035 DAPI/AlexaFluor 350 Fluorescence Filter

    30035 DAPI/AlexaFluor 350 …
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  • Optolong optical attend the analytica China

    Optolong optical attend the analytica China

    Optolong Optics Booth:E5.5508  Location:Shanghai Munich New International Expo Center Exhibition Date: November 16-18, 2020  Audience scope: Professional audiences mainly include: research institutions, high-tech companies, laser and optoelectronics subsidiaries, medical technology experts, physicists, chemists, qualified engineers, system developers, and industry service providers.  Exhibition scope: laser and optoelectronics, optical components, optical manufacturing technology, sensors, optical test and …
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  • U-FF_Optolong

    Optolong Release New Fluorescence Filter Cube U-FF For Olympus Microscope (19th Oct. 2017)

    We are happy to announce that new cube and holders U-FF of Olympus is released. Now Optolong Optics could offer U-MF2 and U-FF cube for client. Welcome for your inquiry and order. U-FF can be fixed on below series: BX3 Series – BX53, BX63 IX3 Series – IX53, IX73, & IX83 Every fluorescence filter cube …
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  • optolong-logo

    OPTOLONG release new logo (12nd Dec. 2017)

    We are proud to announce the new logo as part of the ongoing evolution of our company’s brand. The new logo:        The new logo demonstrate that : Optolong is located in Kunming city Yunnan province China. Yunnan is famous for various and changeable cloud. All the Chinese people call Yunnan province ‘the …
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  • xin_gong_si

    The Change Notice of the company’s English Name(Nov.11,2016)

    Dear Customers, Due to our company business development, our company’s English name has changed from “Yulong Optics Co., Ltd” to “Optolong Optics Co., Ltd” since 9/29th/2016. Our business, service and legal relationship keep the same. Thank you for your support and understanding. If you have any problems, please feel free to contact with us! Kind RegardsOptolong …
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  • qiaoqianhan_yulongguangdian

    Notice of Optolnog address change (Sep.1,2016)

    Dear Customers, Please be informed that effective from 1st of September, 2016 we are moving to following new Address. New Office Address: Room 1523,Building 7, Phase II, Lenovo Tech Center, Kepu RD, Kunming City, Yunnan, China. Post Code: 650106  New Factory Address:  A-3-102 Building 9, HengChen Industrial Park,  Nanhuan Road, Yanglin Industrial Zone, Songming Country,  Kunming …
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  • shenzhen-CIOE

    Yulong Optics attend the 17th Shenzhen CIOE(Sep.4,2016)

    The 17th China international optoelectronic exposition (CIOE2015) held in shenzhen convention and exhibition center in August 31,2015 to September 3rd. Yulong Optics attended the optoelectronic exposition, through participation and learning, learned the trend of the development of the industry, and meet with the customer, after the communication with customer.we learned the market requirements of our …
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  • Ylong_Optics

    2015 new Yulong Optics products manual(Jun.1,2015)

    Click on this link to download the  English version

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