---
title: "Nanfang Ventilator Co., Ltd. (300004.SZ)"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300004.SZ.md"
symbol: "300004.SZ"
name: "Nanfang Ventilator Co., Ltd."
industry: "Building Products"
datetime: "2026-05-20T20:18:30.712Z"
locales:
  - [en](https://longbridge.com/en/quote/300004.SZ.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300004.SZ.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300004.SZ.md)
---

# Nanfang Ventilator Co., Ltd. (300004.SZ)

## Company Overview

Nanfang Ventilator Co., Ltd. engages in the research and development, production and sale of ventilation and air handling systems in China. The company offers axial flow fan, centrifugal fans, and HVAC products. Its products are used in nuclear power, subways, tunnels, large-scale industrial and civil buildings, and other industries.

| Item | Detail |
|------|--------|
| Industry | Building Products |
| Exchange | CN Market |
| Website | [www.ntfan.com](https://www.ntfan.com) |

## Key Drivers
> *AI-analyzed key factors driving this stock's performance*


## Longbridge Financial Score™: D
> *Longbridge Financial Score™ — Proprietary multi-factor rating model by Longbridge*
> Updated: 2026-05-20T04:30:11.000Z

**Overall: D (0.64)**

**Industry**: Building Products

| Metric | Value |
|--------|-------|
| Industry Ranking | 37 / 54 |
| Industry Median | C |
| Industry Average | C |

- **Style**: Value - Stocks where the company's main business is in a mature stage.
- **Scale**: Small - The company's operation has a high degree of growth and volatility, making it easy to achieve high investment returns.

**Multi Score**: D

#### Style Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Revenue YoY | -19.61% |  |
| Net Profit YoY | -87.99% |  |
| P/B Ratio | 4.59 |  |
| Dividend Ratio | 0.00% |  |

#### Size Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Market Cap | 8155171314.80 |  |
| Revenue | 519312145.30 |  |

#### Multi Score Score: D

| Indicator | Value | Rating |
|-----------|-------|--------|
| ROE | 0.54% | D |
| Profit Margin | 1.84% | C |
| Gross Margin | 18.08% | D |
| Revenue YoY | -19.61% | E |
| Net Profit YoY | -87.99% | E |
| Total Assets YoY | 1.70% | C |
| Net Assets YoY | 0.54% | C |
| Cash Flow Margin | -407.11% | E |
| OCF YoY | -19.61% | E |
| Turnover | 0.25 | D |
| Gearing Ratio | 16.82% | A |

```chart-data:radar
{
  "title": "Longbridge Financial Score - Nanfang Ventilator Co., Ltd.",
  "chart_type": "radar",
  "dimensions": [
    {
      "name": "Style Score",
      "grade": "",
      "indicators": [
        {
          "name": "Revenue YoY",
          "value": "-19.61%",
          "rating": ""
        },
        {
          "name": "Net Profit YoY",
          "value": "-87.99%",
          "rating": ""
        },
        {
          "name": "P/B Ratio",
          "value": "4.59",
          "rating": ""
        },
        {
          "name": "Dividend Ratio",
          "value": "0.00%",
          "rating": ""
        }
      ]
    },
    {
      "name": "Size Score",
      "grade": "",
      "indicators": [
        {
          "name": "Market Cap",
          "value": "8155171314.80",
          "rating": ""
        },
        {
          "name": "Revenue",
          "value": "519312145.30",
          "rating": ""
        }
      ]
    },
    {
      "name": "Multi Score",
      "grade": "D",
      "indicators": [
        {
          "name": "ROE",
          "value": "0.54%",
          "rating": "D"
        },
        {
          "name": "Profit Margin",
          "value": "1.84%",
          "rating": "C"
        },
        {
          "name": "Gross Margin",
          "value": "18.08%",
          "rating": "D"
        },
        {
          "name": "Revenue YoY",
          "value": "-19.61%",
          "rating": "E"
        },
        {
          "name": "Net Profit YoY",
          "value": "-87.99%",
          "rating": "E"
        },
        {
          "name": "Total Assets YoY",
          "value": "1.70%",
          "rating": "C"
        },
        {
          "name": "Net Assets YoY",
          "value": "0.54%",
          "rating": "C"
        },
        {
          "name": "Cash Flow Margin",
          "value": "-407.11%",
          "rating": "E"
        },
        {
          "name": "OCF YoY",
          "value": "-19.61%",
          "rating": "E"
        },
        {
          "name": "Turnover",
          "value": "0.25",
          "rating": "D"
        },
        {
          "name": "Gearing Ratio",
          "value": "16.82%",
          "rating": "A"
        }
      ]
    }
  ]
}
```

## Valuation Analysis

| Metric | Current | Industry Ranking | High | Median | Low |
|--------|---------|-----------------|------|--------|-----|
| PE (TTM) | 842.47 | 32/54 | 102.73 | 81.05 | 53.51 |
| PB | 4.54 | 45/54 | 3.77 | 3.21 | 2.41 |
| PS (TTM) | 15.52 | 54/54 | 11.43 | 9.41 | 6.59 |
| Dividend Yield | 0.00% | - | - | - | - |

## Peer Comparison

| Rank | Name | Profit | Growth | Operation | Security | Cash | Rating |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 01 | Shenling (301018.SZ) | C | A | B | D | B | B |
| 02 | HIGOLD (001221.SZ) | A | A | A | B | B | B |
| 03 | SOLEX (603992.SH) | B | D | B | A | C | B |
| 04 | DUN'AN ENVIRONMENT (002011.SZ) | B | C | A | C | C | B |
| 05 | Golden Solar (300093.SZ) | B | A | E | B | C | B |

## References

- [Company Overview — Profile, executives, shareholders, business breakdown](https://longbridge.com/en/quote/300004.SZ/overview.md)
- [Financial Reports — Income, balance sheet, cash flow, dividends](https://longbridge.com/en/quote/300004.SZ/norm.md)
- [Related News](https://longbridge.com/en/quote/300004.SZ/news.md)
- [Filings — Company announcements and regulatory filings](https://longbridge.com/en/quote/300004.SZ/filings.md)

---

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