---
title: "Keystone Technology Co.,Ltd. (605588.SH)"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/605588.SH.md"
symbol: "605588.SH"
name: "Keystone Technology Co.,Ltd."
industry: "Electronic Components"
datetime: "2026-05-20T06:22:16.824Z"
locales:
  - [en](https://longbridge.com/en/quote/605588.SH.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/605588.SH.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/605588.SH.md)
---

# Keystone Technology Co.,Ltd. (605588.SH)

## Company Overview

Keystone Technology Co.,Ltd., together with its subsidiaries, engages in the research, development, production, and sale of semiconductor display devices, specialty adhesive materials, and photomasks in China and internationally. The company offers semiconductor display devices comprising polarizers, functional components, signal connectors, LCD panels, and various production consumables for use in LCD TVs, smartphones, tablets, laptops, wearable devices, and other display terminals with screens. It also provides specialty adhesive materials consisting of tapes, fasteners, foams, protective films, and labels for use in the industrial, rail transportation, and automobile industries. In addition, the company offers semiconductor photomasks used in semiconductor chip manufacturing; and 4K and 8K ultra-clear modules.

| Item | Detail |
|------|--------|
| Industry | Electronic Components |
| Exchange | CN Market |
| Website | [www.njkeystone.com](https://www.njkeystone.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: 2026-05-19T04:30:08.000Z

**Overall: D (0.72)**

**Industry**: Electronic Components

| Metric | Value |
|--------|-------|
| Industry Ranking | 181 / 186 |
| 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**: D

#### Style Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Revenue YoY | -5.29% |  |
| Net Profit YoY | -134.89% |  |
| P/B Ratio | 4.59 |  |
| Dividend Ratio | 0.00% |  |

#### Size Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Market Cap | 4345143811.31 |  |
| Revenue | 1346960658.90 |  |

#### Multi Score Score: D

| Indicator | Value | Rating |
|-----------|-------|--------|
| ROE | -8.38% | D |
| Profit Margin | -6.16% | D |
| Gross Margin | -0.93% | E |
| Revenue YoY | -5.29% | D |
| Net Profit YoY | -134.89% | E |
| Total Assets YoY | -0.35% | D |
| Net Assets YoY | -8.39% | D |
| Cash Flow Margin | -205.76% | E |
| OCF YoY | -5.29% | D |
| Turnover | 0.47 | C |
| Gearing Ratio | 66.94% | D |

```chart-data:radar
{
  "title": "Longbridge Financial Score - Keystone Technology Co.,Ltd.",
  "chart_type": "radar",
  "dimensions": [
    {
      "name": "Style Score",
      "grade": "",
      "indicators": [
        {
          "name": "Revenue YoY",
          "value": "-5.29%",
          "rating": ""
        },
        {
          "name": "Net Profit YoY",
          "value": "-134.89%",
          "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": "4345143811.31",
          "rating": ""
        },
        {
          "name": "Revenue",
          "value": "1346960658.90",
          "rating": ""
        }
      ]
    },
    {
      "name": "Multi Score",
      "grade": "D",
      "indicators": [
        {
          "name": "ROE",
          "value": "-8.38%",
          "rating": "D"
        },
        {
          "name": "Profit Margin",
          "value": "-6.16%",
          "rating": "D"
        },
        {
          "name": "Gross Margin",
          "value": "-0.93%",
          "rating": "E"
        },
        {
          "name": "Revenue YoY",
          "value": "-5.29%",
          "rating": "D"
        },
        {
          "name": "Net Profit YoY",
          "value": "-134.89%",
          "rating": "E"
        },
        {
          "name": "Total Assets YoY",
          "value": "-0.35%",
          "rating": "D"
        },
        {
          "name": "Net Assets YoY",
          "value": "-8.39%",
          "rating": "D"
        },
        {
          "name": "Cash Flow Margin",
          "value": "-205.76%",
          "rating": "E"
        },
        {
          "name": "OCF YoY",
          "value": "-5.29%",
          "rating": "D"
        },
        {
          "name": "Turnover",
          "value": "0.47",
          "rating": "C"
        },
        {
          "name": "Gearing Ratio",
          "value": "66.94%",
          "rating": "D"
        }
      ]
    }
  ]
}
```

## Valuation Analysis

| Metric | Current | Industry Ranking | High | Median | Low |
|--------|---------|-----------------|------|--------|-----|
| PE (TTM) | -53.07 | 163/186 | - | - | - |
| PB | 4.65 | 80/186 | 4.24 | 3.90 | 3.45 |
| PS (TTM) | 3.27 | 56/186 | 3.09 | 2.85 | 2.51 |
| Dividend Yield | 0.00% | - | 0.16% | 0.16% | 0.15% |

## Peer Comparison

| Rank | Name | Profit | Growth | Operation | Security | Cash | Rating |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 01 | Eoptolink (300502.SZ) | A | A | A | B | B | A |
| 02 | LUXSHARE-ICT (002475.SZ) | B | A | A | D | B | B |
| 03 | DSBJ (002384.SZ) | C | B | B | D | B | B |
| 04 | VGT (300476.SZ) | A | A | B | C | B | B |
| 05 | Sytech (600183.SH) | B | A | A | C | B | B |

## References

- [Company Overview — Profile, executives, shareholders, business breakdown](https://longbridge.com/en/quote/605588.SH/overview.md)
- [Financial Reports — Income, balance sheet, cash flow, dividends](https://longbridge.com/en/quote/605588.SH/norm.md)
- [Related News](https://longbridge.com/en/quote/605588.SH/news.md)
- [Filings — Company announcements and regulatory filings](https://longbridge.com/en/quote/605588.SH/filings.md)

---

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