---
title: "Dongguan Kingsun Optoelectronic Co.,Ltd. (002638.SZ)"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/002638.SZ.md"
symbol: "002638.SZ"
name: "Dongguan Kingsun Optoelectronic Co.,Ltd."
industry: "Electrical Components and Equipment"
datetime: "2026-03-03T11:35:29.835Z"
locales:
  - [en](https://longbridge.com/en/quote/002638.SZ.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/002638.SZ.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/002638.SZ.md)
---

> Supported Languages: [简体中文](https://longbridge.com/zh-CN/quote/002638.SZ.md) | [繁體中文](https://longbridge.com/zh-HK/quote/002638.SZ.md)


# Dongguan Kingsun Optoelectronic Co.,Ltd. (002638.SZ)

## Company Overview

Dongguan Kingsun Optoelectronic Co.,Ltd. manufactures and sells LED lighting products in China and internationally. The company also provides outdoor, landscape, smart lighting, and outdoor garden products, as well as tunnel, sports and stadium, explosion proof, solar, food processing, street, marine, and warehouse lighting products. Its LED lighting products are used in smart, road, traffic, commercial, industrial, office, educational, civil, and other lighting applications.

| Item | Detail |
|------|--------|
| Industry | Electrical Components and Equipment |
| Exchange | CN Market |
| Website | [www.kingsun-china.com](https://www.kingsun-china.com) |

## 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: 2026-03-03T04:30:11.000Z

**Overall: C (0.57)**

**Industry**: Electrical Components and Equipment

| Metric | Value |
|--------|-------|
| Industry Ranking | 201 / 258 |
| Industry Median | B |
| 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**: C

#### Style Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Revenue YoY | 6.70% |  |
| Net Profit YoY | -137.75% |  |
| P/B Ratio | 2.18 |  |
| Dividend Ratio | 0.00% |  |

#### Size Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Market Cap | 4498448467.63 |  |
| Revenue | 400654693.98 |  |

#### Multi Score Score: C

| Indicator | Value | Rating |
|-----------|-------|--------|
| ROE | -17.13% | E |
| Profit Margin | -96.75% | E |
| Gross Margin | 16.48% | D |
| Revenue YoY | 6.70% | C |
| Net Profit YoY | -137.75% | E |
| Total Assets YoY | -14.72% | E |
| Net Assets YoY | -15.82% | E |
| Cash Flow Margin | -103.36% | D |
| OCF YoY | 6.70% | C |
| Turnover | 0.16 | D |
| Gearing Ratio | 11.47% | A |

```chart-data:radar
{
  "title": "Longbridge Financial Score - Dongguan Kingsun Optoelectronic Co.,Ltd.",
  "chart_type": "radar",
  "dimensions": [
    {
      "name": "Style Score",
      "grade": "",
      "indicators": [
        {
          "name": "Revenue YoY",
          "value": "6.70%",
          "rating": ""
        },
        {
          "name": "Net Profit YoY",
          "value": "-137.75%",
          "rating": ""
        },
        {
          "name": "P/B Ratio",
          "value": "2.18",
          "rating": ""
        },
        {
          "name": "Dividend Ratio",
          "value": "0.00%",
          "rating": ""
        }
      ]
    },
    {
      "name": "Size Score",
      "grade": "",
      "indicators": [
        {
          "name": "Market Cap",
          "value": "4498448467.63",
          "rating": ""
        },
        {
          "name": "Revenue",
          "value": "400654693.98",
          "rating": ""
        }
      ]
    },
    {
      "name": "Multi Score",
      "grade": "C",
      "indicators": [
        {
          "name": "ROE",
          "value": "-17.13%",
          "rating": "E"
        },
        {
          "name": "Profit Margin",
          "value": "-96.75%",
          "rating": "E"
        },
        {
          "name": "Gross Margin",
          "value": "16.48%",
          "rating": "D"
        },
        {
          "name": "Revenue YoY",
          "value": "6.70%",
          "rating": "C"
        },
        {
          "name": "Net Profit YoY",
          "value": "-137.75%",
          "rating": "E"
        },
        {
          "name": "Total Assets YoY",
          "value": "-14.72%",
          "rating": "E"
        },
        {
          "name": "Net Assets YoY",
          "value": "-15.82%",
          "rating": "E"
        },
        {
          "name": "Cash Flow Margin",
          "value": "-103.36%",
          "rating": "D"
        },
        {
          "name": "OCF YoY",
          "value": "6.70%",
          "rating": "C"
        },
        {
          "name": "Turnover",
          "value": "0.16",
          "rating": "D"
        },
        {
          "name": "Gearing Ratio",
          "value": "11.47%",
          "rating": "A"
        }
      ]
    }
  ]
}
```

## Valuation Analysis

| Metric | Current | Industry Ranking | High | Median | Low |
|--------|---------|-----------------|------|--------|-----|
| PE (TTM) | -11.60 | 214/258 | - | - | - |
| PB | 2.18 | 32/258 | 2.13 | 1.60 | 1.42 |
| PS (TTM) | 11.23 | 243/258 | 10.98 | 8.77 | 8.00 |
| Dividend Yield | 0.00% | - | - | - | - |

## Peer Comparison

| Rank | Name | Profit | Growth | Operation | Security | Cash | Rating |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 01 | Sungrow Power Supply (300274.SZ) | A | A | B | D | B | B |
| 02 | SIEYUAN (002028.SZ) | B | A | E | A | B | B |
| 03 | Huayou Cobalt (603799.SH) | B | A | C | D | B | B |
| 04 | EVE (300014.SZ) | C | B | C | D | A | B |
| 05 | Deye (605117.SH) | A | B | B | D | B | B |

## References

- [Company Overview — Profile, executives, shareholders, business breakdown](https://longbridge.com/en/quote/002638.SZ/overview.md)
- [Financial Reports — Income, balance sheet, cash flow, dividends](https://longbridge.com/en/quote/002638.SZ/norm.md)
- [Related News](https://longbridge.com/en/quote/002638.SZ/news.md)
- [Filings — Company announcements and regulatory filings](https://longbridge.com/en/quote/002638.SZ/filings.md)

---

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