---
title: "SEC Electric Machinery Co., Ltd. (603988.SH)"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/603988.SH.md"
symbol: "603988.SH"
name: "SEC Electric Machinery Co., Ltd."
industry: "Electrical Components and Equipment"
datetime: "2026-05-20T11:33:13.424Z"
locales:
  - [en](https://longbridge.com/en/quote/603988.SH.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/603988.SH.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/603988.SH.md)
---

# SEC Electric Machinery Co., Ltd. (603988.SH)

## Company Overview

SEC Electric Machinery Co., Ltd. researches and develops, manufactures, and sells motors in China. The company offers AC motors, such as flameproof explosion, safety explosion, compact asynchronous, wound asynchronous, oil drilling, and squirrel cage asynchronous motors; medium and large-sized DC motors; synchronous motors, including large synchronous variable frequency motor, mine grinding machine, synchronous motor, marine propulsion motor, mine hoisting machine, permanent magnet machine, and vertical synchronous motor; wind turbine, turbo, impulse, diesel, and large and medium sized hydro generators; and electrical units comprising transformers and frequency changers. It serves metallurgy, electric power, cement, petrochemical, mine, papermaking, oil drilling and production, wind power, hydro power, shipbuilding, HVAC, and testing machine industries.

| Item | Detail |
|------|--------|
| Industry | Electrical Components and Equipment |
| Exchange | CN Market |
| Website | [www.sec-motor.com](https://www.sec-motor.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: 2026-05-20T04:30:09.000Z

**Overall: C (0.44)**

**Industry**: Electrical Components and Equipment

| Metric | Value |
|--------|-------|
| Industry Ranking | 183 / 261 |
| 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 | -2.41% |  |
| Net Profit YoY | 151.70% |  |
| P/B Ratio | 8.45 |  |
| Dividend Ratio | 0.17% |  |

#### Size Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Market Cap | 5643059519.31 |  |
| Revenue | 658947541.55 |  |

#### Multi Score Score: C

| Indicator | Value | Rating |
|-----------|-------|--------|
| ROE | 4.72% | C |
| Profit Margin | 4.70% | C |
| Gross Margin | 29.14% | C |
| Revenue YoY | -2.41% | D |
| Net Profit YoY | 151.70% | A |
| Total Assets YoY | -4.62% | D |
| Net Assets YoY | 3.14% | C |
| Cash Flow Margin | 379.48% | A |
| OCF YoY | -2.41% | D |
| Turnover | 0.60 | B |
| Gearing Ratio | 38.07% | B |

```chart-data:radar
{
  "title": "Longbridge Financial Score - SEC Electric Machinery Co., Ltd.",
  "chart_type": "radar",
  "dimensions": [
    {
      "name": "Style Score",
      "grade": "",
      "indicators": [
        {
          "name": "Revenue YoY",
          "value": "-2.41%",
          "rating": ""
        },
        {
          "name": "Net Profit YoY",
          "value": "151.70%",
          "rating": ""
        },
        {
          "name": "P/B Ratio",
          "value": "8.45",
          "rating": ""
        },
        {
          "name": "Dividend Ratio",
          "value": "0.17%",
          "rating": ""
        }
      ]
    },
    {
      "name": "Size Score",
      "grade": "",
      "indicators": [
        {
          "name": "Market Cap",
          "value": "5643059519.31",
          "rating": ""
        },
        {
          "name": "Revenue",
          "value": "658947541.55",
          "rating": ""
        }
      ]
    },
    {
      "name": "Multi Score",
      "grade": "C",
      "indicators": [
        {
          "name": "ROE",
          "value": "4.72%",
          "rating": "C"
        },
        {
          "name": "Profit Margin",
          "value": "4.70%",
          "rating": "C"
        },
        {
          "name": "Gross Margin",
          "value": "29.14%",
          "rating": "C"
        },
        {
          "name": "Revenue YoY",
          "value": "-2.41%",
          "rating": "D"
        },
        {
          "name": "Net Profit YoY",
          "value": "151.70%",
          "rating": "A"
        },
        {
          "name": "Total Assets YoY",
          "value": "-4.62%",
          "rating": "D"
        },
        {
          "name": "Net Assets YoY",
          "value": "3.14%",
          "rating": "C"
        },
        {
          "name": "Cash Flow Margin",
          "value": "379.48%",
          "rating": "A"
        },
        {
          "name": "OCF YoY",
          "value": "-2.41%",
          "rating": "D"
        },
        {
          "name": "Turnover",
          "value": "0.60",
          "rating": "B"
        },
        {
          "name": "Gearing Ratio",
          "value": "38.07%",
          "rating": "B"
        }
      ]
    }
  ]
}
```

## Valuation Analysis

| Metric | Current | Industry Ranking | High | Median | Low |
|--------|---------|-----------------|------|--------|-----|
| PE (TTM) | 182.02 | 175/261 | 448.00 | 154.98 | 135.89 |
| PB | 8.45 | 235/261 | 9.91 | 9.00 | 8.59 |
| PS (TTM) | 8.56 | 220/261 | 9.36 | 8.60 | 8.12 |
| Dividend Yield | 0.17% | 178/261 | 0.17% | 0.16% | 0.14% |

## Peer Comparison

| Rank | Name | Profit | Growth | Operation | Security | Cash | Rating |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 01 | SIEYUAN (002028.SZ) | B | A | B | C | B | B |
| 02 | ZTT (600522.SH) | C | B | A | B | B | B |
| 03 | Deye (605117.SH) | A | B | B | C | B | B |
| 04 | EVE (300014.SZ) | B | B | B | D | B | B |
| 05 | Huayou Cobalt (603799.SH) | B | A | C | D | B | B |

## References

- [Company Overview — Profile, executives, shareholders, business breakdown](https://longbridge.com/en/quote/603988.SH/overview.md)
- [Financial Reports — Income, balance sheet, cash flow, dividends](https://longbridge.com/en/quote/603988.SH/norm.md)
- [Related News](https://longbridge.com/en/quote/603988.SH/news.md)
- [Filings — Company announcements and regulatory filings](https://longbridge.com/en/quote/603988.SH/filings.md)

---

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