---
title: "Qingyan Environmental Technology Co., Ltd. (301288.SZ)"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/301288.SZ.md"
symbol: "301288.SZ"
name: "Qingyan Environmental Technology Co., Ltd."
industry: "Industrial Machinery and Supplies and Components"
datetime: "2026-05-21T16:52:20.706Z"
locales:
  - [en](https://longbridge.com/en/quote/301288.SZ.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/301288.SZ.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/301288.SZ.md)
---

# Qingyan Environmental Technology Co., Ltd. (301288.SZ)

## Company Overview

Qingyan Environmental Technology Co., Ltd. researches and develops environmental protection equipment in China. It offers rapid purification of sewage using sedimentation integrated rectangular airlift loop reactors (RPIR); three-dimensional biological immobilized curtain series rapid biochemical sewage treatment technology; a set of process technology and equipment for high-concentration organic wastewater; and ammonia nitrogen degradation microbial agents. The company was founded in 2014 and is based in Shenzhen, China.

| Item | Detail |
|------|--------|
| Industry | Industrial Machinery and Supplies and Components |
| Exchange | CN Market |
| Website | [www.tsinghuan.com.cn](https://www.tsinghuan.com.cn) |

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


## Longbridge Financial Score™: C
> *Longbridge Financial Score™ — Proprietary multi-factor rating model by Longbridge*
> Updated: 2026-05-21T04:30:14.000Z

**Overall: C (0.45)**

**Industry**: Industrial Machinery and Supplies and Components

| Metric | Value |
|--------|-------|
| Industry Ranking | 299 / 388 |
| Industry Median | C |
| Industry Average | C |

- **Style**: Blend - Stocks in which the company has both growth and mature businesses.
- **Scale**: Small - The company's operation has a high degree of growth and volatility, making it easy to achieve high investment returns.

**Multi Score**: C

#### Style Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Revenue YoY | 159.09% |  |
| Net Profit YoY | -117.02% |  |
| P/B Ratio | 2.71 |  |
| Dividend Ratio | 0.00% |  |

#### Size Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Market Cap | 2123706523.85 |  |
| Revenue | 189779309.62 |  |

#### Multi Score Score: C

| Indicator | Value | Rating |
|-----------|-------|--------|
| ROE | -3.97% | D |
| Profit Margin | -16.70% | D |
| Gross Margin | -7.01% | E |
| Revenue YoY | 159.09% | A |
| Net Profit YoY | -117.02% | E |
| Total Assets YoY | 0.00% | D |
| Net Assets YoY | 0.00% | D |
| Cash Flow Margin | 194.16% | B |
| OCF YoY | 159.09% | A |
| Turnover | 0.00 | E |
| Gearing Ratio | 0.00% | A |

```chart-data:radar
{
  "title": "Longbridge Financial Score - Qingyan Environmental Technology Co., Ltd.",
  "chart_type": "radar",
  "dimensions": [
    {
      "name": "Style Score",
      "grade": "",
      "indicators": [
        {
          "name": "Revenue YoY",
          "value": "159.09%",
          "rating": ""
        },
        {
          "name": "Net Profit YoY",
          "value": "-117.02%",
          "rating": ""
        },
        {
          "name": "P/B Ratio",
          "value": "2.71",
          "rating": ""
        },
        {
          "name": "Dividend Ratio",
          "value": "0.00%",
          "rating": ""
        }
      ]
    },
    {
      "name": "Size Score",
      "grade": "",
      "indicators": [
        {
          "name": "Market Cap",
          "value": "2123706523.85",
          "rating": ""
        },
        {
          "name": "Revenue",
          "value": "189779309.62",
          "rating": ""
        }
      ]
    },
    {
      "name": "Multi Score",
      "grade": "C",
      "indicators": [
        {
          "name": "ROE",
          "value": "-3.97%",
          "rating": "D"
        },
        {
          "name": "Profit Margin",
          "value": "-16.70%",
          "rating": "D"
        },
        {
          "name": "Gross Margin",
          "value": "-7.01%",
          "rating": "E"
        },
        {
          "name": "Revenue YoY",
          "value": "159.09%",
          "rating": "A"
        },
        {
          "name": "Net Profit YoY",
          "value": "-117.02%",
          "rating": "E"
        },
        {
          "name": "Total Assets YoY",
          "value": "0.00%",
          "rating": "D"
        },
        {
          "name": "Net Assets YoY",
          "value": "0.00%",
          "rating": "D"
        },
        {
          "name": "Cash Flow Margin",
          "value": "194.16%",
          "rating": "B"
        },
        {
          "name": "OCF YoY",
          "value": "159.09%",
          "rating": "A"
        },
        {
          "name": "Turnover",
          "value": "0.00",
          "rating": "E"
        },
        {
          "name": "Gearing Ratio",
          "value": "0.00%",
          "rating": "A"
        }
      ]
    }
  ]
}
```

## Valuation Analysis

| Metric | Current | Industry Ranking | High | Median | Low |
|--------|---------|-----------------|------|--------|-----|
| PE (TTM) | -63.61 | 359/388 | - | - | - |
| PB | 2.58 | 107/388 | 2.56 | 2.32 | 1.83 |
| PS (TTM) | 10.62 | 327/388 | 21.55 | 17.55 | 15.04 |
| Dividend Yield | 0.00% | - | - | - | - |

## Peer Comparison

| Rank | Name | Profit | Growth | Operation | Security | Cash | Rating |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 01 | Sanhua (002050.SZ) | B | B | B | B | B | B |
| 02 | Inovance (300124.SZ) | B | B | B | C | B | B |
| 03 | JSHL (601100.SH) | B | B | C | A | B | B |
| 04 | Han's Laser (002008.SZ) | B | A | C | C | B | B |
| 05 | Han's CNC (301200.SZ) | B | A | C | B | C | B |

## References

- [Company Overview — Profile, executives, shareholders, business breakdown](https://longbridge.com/en/quote/301288.SZ/overview.md)
- [Financial Reports — Income, balance sheet, cash flow, dividends](https://longbridge.com/en/quote/301288.SZ/norm.md)
- [Related News](https://longbridge.com/en/quote/301288.SZ/news.md)
- [Filings — Company announcements and regulatory filings](https://longbridge.com/en/quote/301288.SZ/filings.md)

---

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