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Experience our passion for refrigeration and freezing

Zhejiang Heli Refrigeration Equipment Co., Ltd. was established in 2006, focusing on ultra-low temperature refrigeration freezer's research and development, manufacturing, sales, and service

. With its innovation-driven and modern manufacturing advantages, Heli has developed into a professional supplier covering biomedicine, scientific research laboratories, aquatic refrigeration, and other fields.
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  • Zhejiang Heli Refrigeration Equipment Co., Ltd.
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    02
    Is Setting -70°C Instead of -80°C Safe for Samples
    Many researchers and lab managers are evaluating whether storing critical materials at -70°C instead of -80°C offers practical advantages without compromising sample integrity. When consulting ultra low temperature freezer manufacturers or comparing laboratory cooling options, on...
  • Zhejiang Heli Refrigeration Equipment Co., Ltd.
    20
    02
    Why Does a -80°C Freezer Warm Up Too Slowly
    Temperature recovery in ultra-cold storage systems — especially when a small laboratory freezer door is opened or a power interruption occurs — is a question many researchers grapple with. Professionals consulting ultra low temperature freezer manufacturers often ask: why does it...
  • Zhejiang Heli Refrigeration Equipment Co., Ltd.
    13
    02
    Can Small Laboratory Freezer Stay Stable During Power Loss
    Maintaining stable temperatures during an unexpected power outage is a serious concern for anyone relying on ultra-cold storage solutions. When you work with a small laboratory freezer or consider products from ultra low temperature freezer manufacturers, you’re not just buying e...