Shanghai Joinwit Optoelectronic Tech, Co., Ltd.
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    • History
    History
    History
    1998

    Founded the company

    History
    2002

    Entered the fiber optic test equipment (FOTE) market, marking the beginning of our expertise in this field

    History
    2009

    Expanded operations with a new factory near Minhang Jiaotong University, with a 1,000 square meters of space

    History
    2013

    Launched the non-winding insertion and return loss tester, a key innovation in optical testing technology

    History
    2014

    Released advanced testing systems for PLC, MPO, and WDM components

    History
    2015

    Introduced the JW18001 modular testing platform

    History
    2016

    Unveiled a new generation of platform-based products and modules

    History
    2017

    Launched a complete series of platform products for MPO, PLC, AWG, WDM, and BOB optical modules

    History
    2018

    Relocated to a larger factory in Fengxian, Shanghai, with a 3,000-square-meter facility, achieving mastery in core technology development

    History
    2019

    Recognized as a Four New Economy Model Enterprise in Shanghai Fengxian District and introduced the latest optical component environmental monitoring platform

    History
    2020

    Released the polarization extinction ratio tester and the automated polarization extinction ratio tester, earning the Innovation Project Certificate in Shanghai Fengxian District

    History
    2021

    Developed the laser chip aging test system and the polarization-maintaining jumper cable testing system

    History
    2022

    Launched the fiber loop testing system, DOP meter, and polarization-maintaining fiber alignment system, and was honored as a Specialized and Innovative SME in Shanghai.

    History
    2023

    Released the polarization analyser, earning recognition for Key Technological Innovation Projects for SMEs in Shanghai.

    History
    2024

    Awarded the Gold Certificate at the China International Optoelectronic Expo

    Looking for more information?
    • Email: joinwit@joinwit.com
    • Tel.: +86-21 64357213

    Feel free to contact us.

    Contact us
    • 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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