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

Maintaining a low temperature chest freezer goes beyond simply setting the temperature. Door seals, frost buildup, and ice accumulation can significantly affect performance, sample safety, and equipment longevity. Zhejiang Heli Refrigeration Equipment Co., Ltd., a professional ma...

Many lab managers and researchers using a minus 80 freezer encounter a common challenge: the internal temperature rises after opening the door. Understanding why this happens, how long recovery takes, and how to minimize temperature fluctuations is essential for protecting sensit...

When researchers or lab managers initial face a minus 80 freezer, one of the more common questions is: “When is it safe to start storing samples?” Zhejiang Heli Refrigeration Equipment Co., Ltd. often advises that timing and preparation are crucial to protect valuable samples and...