Henan Huanghe Whirlwind Co., Ltd – Recent Developments and Market Context
Company Profile Henan Huanghe Whirlwind Co., Ltd (ticker 600172) is listed on the Shanghai Stock Exchange and operates in the industrial machinery sector. The company specializes in advanced materials, producing diamond abrasives, diamond grinding apparatus, and related diamond products, as well as construction machinery and new‑material processing tools. Its 2026‑01‑27 closing price was 7.44 CNY, with a 52‑week high of 8.49 CNY (2025‑10‑22) and a 52‑week low of 3.23 CNY (2025‑04‑08). The market capitalization is 9 388 620 800 CNY and the price‑earnings ratio is –8.37, reflecting a negative earnings figure for the reporting period.
Corporate Actions
- 1st Extraordinary General Meeting – 2026 On 26 January 2026, Henan Huanghe Whirlwind announced the resolutions passed at its first extraordinary general meeting for the year. The board confirmed that the announcement contains no false or misleading statements. (Source: english.sse.com.cn, announcement 2026‑005).
Trading Activity
Limit‑up on 27 January 2026 The stock reached a limit‑up on 27 January 2026, coinciding with a broader rally in the A‑share market. The Shanghai Composite index rose 0.18 %, the Shenzhen Composite index 0.09 %, and the ChiNext index 0.71 % on that day. The limit‑up was part of a sector‑wide surge in the “diamond cultivation” concept, where several peers such as Huifeng Diamond and Zhongbing Hongjian also posted significant gains.
Institutional Buying – 28 January 2026 On 28 January 2026, institutional investors displayed strong interest in Henan Huanghe Whirlwind.
- The Shanghai Stock Exchange institutional desk listed the stock among the 16 net‑buyer holdings on the daily “龙虎榜” (leaderboard).
- The Shanghai‑through‑Hong Kong Stock Connect also placed the company among the 14 stocks with net purchases, with a net buying amount of 92.3425 million CNY.
- Overall, institutional net buying across all stocks on that day amounted to 4.60 billion CNY, indicating heightened demand for the company’s shares.
- Market Context – 27 January 2026 The day’s trading was marked by a general increase in the semiconductor and precious‑metal sectors. The diamond‑related concept, however, was the most prominent driver for Henan Huanghe Whirlwind, with the company achieving a limit‑up while its peers recorded gains of 10–15 %.
Conceptual Trend – “Diamond Cultivation”
The recent price movement is linked to the growing attention on the diamond‑cultivation industry. An announcement of a breakthrough in high‑performance single‑crystal diamond radiation detectors, developed by researchers from Xi’an University of Electronic Science and Technology in collaboration with the National Space Science Center, was cited as a catalyst. This development was reported by multiple news outlets on 27 January 2026 and is expected to enhance the performance of diamond‑based products.
Key Financial Indicators (as of 2026‑01‑27)
| Indicator | Value | Source |
|---|---|---|
| Close price (2026‑01‑27) | 7.44 CNY | Market data |
| 52‑week high | 8.49 CNY | Market data |
| 52‑week low | 3.23 CNY | Market data |
| Market cap | 9 388 620 800 CNY | Company data |
| Price‑earnings ratio | –8.37 | Company data |
| IPO date | 1998‑10‑19 | Company data |
Summary
Henan Huanghe Whirlwind Co., Ltd experienced a significant trading event on 27 January 2026, achieving a limit‑up in line with a broader rally in the diamond‑cultivation concept. Institutional participation increased on 28 January 2026, with both domestic and cross‑border investors showing net buying interest. The company’s recent corporate actions, including the resolution of its extraordinary general meeting, were disclosed in early 2026. Financially, the firm trades at a negative earnings multiple and remains within a moderate price range compared to its 52‑week extremes.
