Shanghai Joinwit Optoelectronic Tech, Co., Ltd.
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    Benchtop & Handheld Fiber Optic Test Equipment

    Why Partner with Us as Your Fiber Optic Test Equipment Supplier

    In the fiber optic communication field, our testing instruments have become the trusted choice for many global distributors. We provide not only exceptional test equipment but also comprehensive support to help our partners grow and succeed.

    Industry and Export Expertise
    Industry and Export Expertise

    Founded in 1998, we bring over 20 years of experience in manufacturing fiber optic testing equipment. We have established strong partnerships with well-known enterprises across Asia, Europe, North America, and other key markets globally.

    Production Strength
    Production Strength

    Our 3,000-square-meter production facility is equipped with automated production lines, enabling an annual production capacity of 500,000 units.

    JW3213 CE Certificate
    JW3213 CE Certificate
    JW3302S CE Certificate
    JW3302S CE Certificate
    JW3239C CE Certificate
    JW3239C CE Certificate
    JW3306E CE Certificate
    JW3306E CE Certificate
    JW3329 CE Certificate
    JW3329 CE Certificate
    ISO9001
    ISO9001
    ISO45001
    ISO45001
    ISO14001
    ISO14001
    Quality Assurance

    Our optical test instruments are backed by internationally recognized certifications, including ISO9001, ISO14001, CE, FCC, and RoHS.

    Research & Development
    Research & Development

    With an independent R&D center, all our products are self-developed. We continue to introduce innovative products that meet evolving market demands.

    Customization
    Customization

    Our diverse product line covers everything from basic fiber testing tools to advanced communication solutions. We deliver tailor-made services to suit clients of all industries and sizes.

    Cost-effective

    Through economies of scale and cost control strategies, we offer distributors a highly competitive pricing structure to maximize their business potential.

    Comprehensive Support System

    We provide a global after-sales service network, offering quick-response repair and maintenance services to ensure your operations run seamlessly and without interruption.

    We offer comprehensive marketing support, including access to promotional materials, collaborative campaigns, and shared market resources, empowering our dealers to grow their business and reach new customers effectively.

    Trusted Partnerships & Customer Feedbacks
    • Asia:

      Partnering with Huawei (China), NTT Communications (Japan), and SK Telecom (Korea), we provide fiber optic testing and maintenance solutions for regional data centers.

      "Their technical expertise and responsive service make them a supplier we trust."

    • Europe:

      Deutsche Telekom uses our optical instruments for its network upgrade projects.

      "Their product stability and customization capabilities meet our strictest requirements."

    • North America:

      Partnering with Verizon (USA), our solutions play a key role in 5G network deployment.

      "Their innovation and quick response enable us to efficiently advance our projects."

    Contact us
    • Email: joinwit@joinwit.com
    • Tel.: +86-21 64357213
    Get in Touch
    • Benchtop Fiber Optic Test Equipment
    • Handheld Fiber Optic Test Equipment
    Polarization Extinction Ratio Meter
    JW8605 Polarization Extinction Ratio Meter
    Non-Winding Insertion Loss & Return Loss Meter
    JW8307AL Non-Winding Insertion Loss & Return Loss Meter
    Insertion Loss & Return Loss Meter
    JW3327 Insertion Loss & Return Loss Meter
    MPO Insertion Loss & Return Loss Test Platform
    JW18001 IL/RL MPO Insertion Loss & Return Loss Test Platform
    High-Speed Optical Power Meter Module
    JW1609C High-Speed Optical Power Meter Module
    High-Speed Optical Power Meter
    JW8103A High-Speed Optical Power Meter
    Benchtop Tunable Laser Source
    JW8006 Benchtop Tunable Laser Source
    Programmable Variable Optical Attenuator
    JW3301 Programmable Variable Optical Attenuator
    10G PON Power Meter
    JW3239C 10G PON Power Meter
    High Precision Optical Power Meter
    JW3220 High Precision Optical Power Meter
    Mini Optical Power Meter
    JW6201 Mini Optical Power Meter
    8-in-1 Mini Optical Time-Domain Reflectometer (OTDR)
    JW3302SJ 8-in-1 Mini Optical Time-Domain Reflectometer (OTDR)
    16-in-1 Mini Optical Time-Domain Reflectometer (OTDR)
    JW6601A 16-in-1 Mini Optical Time-Domain Reflectometer (OTDR)
    Optical Fusion Splicer with 4.3-inch LCD Touch Screen
    JW4106S Optical Fusion Splicer with 4.3-inch LCD Touch Screen
    Handheld Optical Fiber Identifier
    JW3306E Handheld Optical Fiber Identifier
    Shanghai Joinwit Optoelectronic Tech, Co., Ltd.
    joinwit@joinwit.com
    +86-21 64357213
    Benchtop Fiber Optic Test Equipment
    • Polarization Measurement
    • Polarity Testing
    • Insertion Loss & Return Loss Testing
    • Optical Power Meter (OPM)
    • Benchtop Light Source
    • Variable Optical Attenuator (VOA)
    Handheld Fiber Optic Test Equipment
    • Handheld Optical Power Meter
    • Handheld Light Source
    • Optical Time-Domain Reflectometer (OTDR)
    • Optical Fusion Splicer
    • Optical Fiber Identifier
    • Visual Fault Locator (VFL)
    • Integrated Fiber Optic Tester
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