About Us

  • 2000 +
  • 100 +
    R&D Employee
  • 1000 +
    Distributors worldwide
  • 250 Million+ (USD)

Hangzhou Sejoy Electronics &. Instruments Co., Ltd, was established in 2002.  Today we have with almost 20 years home medical equipment OEM & ODM experience, and our turnover reached 250 million USD in 2020. Having increase by 4 times since 2017. As a main supplier of health care products in China, Sejoy has built a loyal reputation on quality, innovation, and service. Our innovative and technological excellence supports production of premium devices such as electronic and infrared thermometers, blood glucose meters, blood pressure monitors, mother and baby care, and other customer-designed home-care products.

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News Center

  • Are forehead thermometers accurate
    Are forehead thermometers accurate
    Forehead thermometers have become a popular option to scan large numbers of people, especially during the COVID-19 pandemic. But many people will have the question : are forehead thermometers accurate ? Before the res...
  • How does a thermometer work?
    How does a thermometer work?
    It all start with the sensor. Unlike the liquid-filled thermometer and the bi-metal thermometer, a digital thermometer needs a sensor. These sensors all produce either a voltage, current, or resistance change when th...
  • How to use infrared thermometer
    How to use infrared thermometer
    Measuring a person’s temperature can be done in several ways. One method to measure a person’s surface temperature is with the use of non-contact infrared thermometers (NCITs). NCITs may be used to reduce cross-contam...
  • Are wrist blood pressure monitors accurate?
    Are wrist blood pressure monitors accurate?
    Wrist blood pressure monitors can be accurate if they are used correctly and are properly calibrated. Some people with very large arms may not have access to a well-fitting arm cuff at home. If so, measuring blood pre...
  • Does alcohol raise blood pressure?
    Does alcohol raise blood pressure?
    There is no Doubt : Drinking alcohol increases blood pressure and repeated drinking will causes blood pressure to unhealthy levels.In fact, high blood pressure is the most common alcohol-related health problem.  ...
  • A story told you why we need daily BP control
    A story told you why we need daily BP control
    Hypertension, or high blood pressure, happens when blood pressure levels remain elevated. According to the Centers for Disease Control and Prevention (CDC), roughly 47 percent of adults in the United States have hyper...



Contact Us

Joytech Healthcare Co.,Ltd

Hangzhou Sejoy Electronics &. Instruments Co.,Ltd

  • Address:
    No.365, Wuzhou Road, Yuhang Economic
    Development Zone,311100,Hangzhou,China
  • Phone:
  • Email: