---
title: "Sunfly Tech: Its invested company, China Science and Technology Qingneng, has successfully put into production the largest cooling power helium refrigerator in China's nuclear fusion field"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/262168531.md"
description: "Sunfly Tech's invested company, Henan Zhongke Qingneng Technology Co., Ltd., successfully put into production a 3KW@4.5K helium refrigerator on October 15. The equipment successfully started for the first time in Hefei and has been operating safely and stably for over 120 hours, with an actual cooling capacity reaching 3KW, making it the largest cooling power helium refrigerator in China's nuclear fusion field"
datetime: "2025-10-22T06:15:21.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/262168531.md)
  - [en](https://longbridge.com/en/news/262168531.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/262168531.md)
generator: "portal-rs"
---

# Sunfly Tech: Its invested company, China Science and Technology Qingneng, has successfully put into production the largest cooling power helium refrigerator in China's nuclear fusion field

According to Sunfly Tech, on October 15th, the 3KW@4.5K helium refrigerator developed and manufactured by Henan Zhongke Qingneng Technology Co., Ltd., in which Sunfly Tech holds shares, successfully started up for the first time in Hefei. As of the 20th, the equipment has been operating safely and stably for over 120 hours, with the actual cooling capacity reaching 3KW, meeting the design specifications, making it the largest helium refrigerator with production capacity currently in the field of nuclear fusion in China

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**