---
title: "Advanced Fiber Resources (Zhuhai), Ltd. (300620.SZ)"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300620.SZ.md"
symbol: "300620.SZ"
name: "Advanced Fiber Resources (Zhuhai), Ltd."
industry: "Communications Equipment"
datetime: "2026-05-20T13:04:25.363Z"
locales:
  - [en](https://longbridge.com/en/quote/300620.SZ.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300620.SZ.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300620.SZ.md)
---

# Advanced Fiber Resources (Zhuhai), Ltd. (300620.SZ)

## Company Overview

Advanced Fiber Resources (Zhuhai), Ltd. designs, manufactures, and sells passive optical components and modulators in China and internationally. The company offers optical isolators and combiners, couplers/splitters, modulators, optical circulators and collimators, filters, in-line polarizers, FBG, photodiodes, isolator hybrid products, PBS/PBC, VOA, metalized fibers, faraday mirrors, Patchcord, optical delay lines, active devices packaging products, module, MEMS, laser cables, and other products. Its products are used in industrial lasers, optical network, data center, fiber sensing, autonomous vehicles, bio-medical equipment, test equipment, and catalog sectors.

| Item | Detail |
|------|--------|
| Industry | Communications Equipment |
| Exchange | CN Market |
| Website | [www.afrlaser.com](https://www.afrlaser.com) |

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


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

**Overall: B (0.32)**

**Industry**: Communications Equipment

| Metric | Value |
|--------|-------|
| Industry Ranking | 9 / 97 |
| Industry Median | C |
| Industry Average | C |

- **Style**: Growth - Stocks whose main business is in the growth stage.
- **Scale**: Mid - The company has stable operation of a large-cap stock and the high return of a small-cap stock.

**Multi Score**: B

#### Style Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Revenue YoY | 48.13% |  |
| Net Profit YoY | 195.19% |  |
| P/B Ratio | 30.51 |  |
| Dividend Ratio | 0.07% |  |

#### Size Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Market Cap | 67380942565.06 |  |
| Revenue | 1638118803.48 |  |

#### Multi Score Score: B

| Indicator | Value | Rating |
|-----------|-------|--------|
| ROE | 10.13% | B |
| Profit Margin | 12.88% | B |
| Gross Margin | 36.63% | B |
| Revenue YoY | 48.13% | A |
| Net Profit YoY | 195.19% | A |
| Total Assets YoY | 23.05% | A |
| Net Assets YoY | 12.74% | B |
| Cash Flow Margin | 103.83% | C |
| OCF YoY | 48.13% | A |
| Turnover | 0.47 | C |
| Gearing Ratio | 42.00% | C |

```chart-data:radar
{
  "title": "Longbridge Financial Score - Advanced Fiber Resources (Zhuhai), Ltd.",
  "chart_type": "radar",
  "dimensions": [
    {
      "name": "Style Score",
      "grade": "",
      "indicators": [
        {
          "name": "Revenue YoY",
          "value": "48.13%",
          "rating": ""
        },
        {
          "name": "Net Profit YoY",
          "value": "195.19%",
          "rating": ""
        },
        {
          "name": "P/B Ratio",
          "value": "30.51",
          "rating": ""
        },
        {
          "name": "Dividend Ratio",
          "value": "0.07%",
          "rating": ""
        }
      ]
    },
    {
      "name": "Size Score",
      "grade": "",
      "indicators": [
        {
          "name": "Market Cap",
          "value": "67380942565.06",
          "rating": ""
        },
        {
          "name": "Revenue",
          "value": "1638118803.48",
          "rating": ""
        }
      ]
    },
    {
      "name": "Multi Score",
      "grade": "B",
      "indicators": [
        {
          "name": "ROE",
          "value": "10.13%",
          "rating": "B"
        },
        {
          "name": "Profit Margin",
          "value": "12.88%",
          "rating": "B"
        },
        {
          "name": "Gross Margin",
          "value": "36.63%",
          "rating": "B"
        },
        {
          "name": "Revenue YoY",
          "value": "48.13%",
          "rating": "A"
        },
        {
          "name": "Net Profit YoY",
          "value": "195.19%",
          "rating": "A"
        },
        {
          "name": "Total Assets YoY",
          "value": "23.05%",
          "rating": "A"
        },
        {
          "name": "Net Assets YoY",
          "value": "12.74%",
          "rating": "B"
        },
        {
          "name": "Cash Flow Margin",
          "value": "103.83%",
          "rating": "C"
        },
        {
          "name": "OCF YoY",
          "value": "48.13%",
          "rating": "A"
        },
        {
          "name": "Turnover",
          "value": "0.47",
          "rating": "C"
        },
        {
          "name": "Gearing Ratio",
          "value": "42.00%",
          "rating": "C"
        }
      ]
    }
  ]
}
```

## Valuation Analysis

| Metric | Current | Industry Ranking | High | Median | Low |
|--------|---------|-----------------|------|--------|-----|
| PE (TTM) | 318.92 | 53/97 | 325.24 | 284.37 | 192.37 |
| PB | 30.46 | 93/97 | 20.52 | 15.56 | 7.02 |
| PS (TTM) | 41.07 | 97/97 | 33.66 | 26.57 | 12.43 |
| Dividend Yield | 0.07% | 45/97 | 0.18% | 0.08% | 0.06% |

## Peer Comparison

| Rank | Name | Profit | Growth | Operation | Security | Cash | Rating |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 01 | Zhongji Innolight (300308.SZ) | A | A | A | B | B | A |
| 02 | TFC (300394.SZ) | A | A | A | A | B | A |
| 03 | YOFC (601869.SH) | B | B | C | C | A | B |
| 04 | HTGD (600487.SH) | C | B | A | C | B | B |
| 05 | SUNWAY COMM (300136.SZ) | B | C | B | C | B | B |

## Institutional View

### Analyst Rating Distribution

> As of 2026-04-12T16:00:00.000Z

Total Analysts: **1**

| Rating | Count | Percentage |
|--------|-------|-----------| 
| Buy | 1 | 100% |

### Target Price Forecast

| Metric | Price |
|--------|-------|
| Current Price | 269.50 |
| Highest Target | 177.00 |
| Lowest Target | 177.00 |

## References

- [Company Overview — Profile, executives, shareholders, business breakdown](https://longbridge.com/en/quote/300620.SZ/overview.md)
- [Financial Reports — Income, balance sheet, cash flow, dividends](https://longbridge.com/en/quote/300620.SZ/norm.md)
- [Related News](https://longbridge.com/en/quote/300620.SZ/news.md)
- [Filings — Company announcements and regulatory filings](https://longbridge.com/en/quote/300620.SZ/filings.md)

---

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