---
title: "JoulWatt Technology Co., Ltd. (688141.SH)"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/688141.SH.md"
symbol: "688141.SH"
name: "JoulWatt Technology Co., Ltd."
industry: "Semiconductors"
datetime: "2026-05-19T21:30:49.806Z"
locales:
  - [en](https://longbridge.com/en/quote/688141.SH.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/688141.SH.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/688141.SH.md)
---

# JoulWatt Technology Co., Ltd. (688141.SH)

## Company Overview

JoulWatt Technology Co., Ltd. engages in the research and development, and sale of analog integrated circuits in China. It offers automotive rear and interior LED driver products; and power management products, such as switching DC/DC power supply, isolated switching DC/DC, power switch and protection, gate driver, power module, display power power over ethernet, LDO, voltage supervisory, Vcore power, USB IC, DC input LED driver, and motor driver. The company also provides driver AC/DC flyback PWM IC, AC/DC synchronous rectifier, PFC controller, offline buck regulator, AC/DC special IC, and LED lighting; and battery management system products comprising charger, battery protection, analog front-end, and BMS special IC; automotive products; and analog products consisting of converter, amplifier, clock, analog switch, and interface.

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

**Overall: C (0.51)**

**Industry**: Semiconductors

| Metric | Value |
|--------|-------|
| Industry Ranking | 90 / 165 |
| Industry Median | C |
| Industry Average | C |

- **Style**: Growth - Stocks whose main business is in the growth 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 | 54.00% |  |
| Net Profit YoY | -73.33% |  |
| P/B Ratio | 34.21 |  |
| Dividend Ratio | 0.00% |  |

#### Size Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Market Cap | 42663219561.51 |  |
| Revenue | 2888868883.64 |  |

#### Multi Score Score: C

| Indicator | Value | Rating |
|-----------|-------|--------|
| ROE | -54.73% | E |
| Profit Margin | -30.43% | E |
| Gross Margin | 25.32% | C |
| Revenue YoY | 54.00% | A |
| Net Profit YoY | -73.33% | E |
| Total Assets YoY | 38.01% | A |
| Net Assets YoY | -22.55% | E |
| Cash Flow Margin | 82.21% | C |
| OCF YoY | 54.00% | A |
| Turnover | 0.60 | B |
| Gearing Ratio | 72.10% | D |

```chart-data:radar
{
  "title": "Longbridge Financial Score - JoulWatt Technology Co., Ltd.",
  "chart_type": "radar",
  "dimensions": [
    {
      "name": "Style Score",
      "grade": "",
      "indicators": [
        {
          "name": "Revenue YoY",
          "value": "54.00%",
          "rating": ""
        },
        {
          "name": "Net Profit YoY",
          "value": "-73.33%",
          "rating": ""
        },
        {
          "name": "P/B Ratio",
          "value": "34.21",
          "rating": ""
        },
        {
          "name": "Dividend Ratio",
          "value": "0.00%",
          "rating": ""
        }
      ]
    },
    {
      "name": "Size Score",
      "grade": "",
      "indicators": [
        {
          "name": "Market Cap",
          "value": "42663219561.51",
          "rating": ""
        },
        {
          "name": "Revenue",
          "value": "2888868883.64",
          "rating": ""
        }
      ]
    },
    {
      "name": "Multi Score",
      "grade": "C",
      "indicators": [
        {
          "name": "ROE",
          "value": "-54.73%",
          "rating": "E"
        },
        {
          "name": "Profit Margin",
          "value": "-30.43%",
          "rating": "E"
        },
        {
          "name": "Gross Margin",
          "value": "25.32%",
          "rating": "C"
        },
        {
          "name": "Revenue YoY",
          "value": "54.00%",
          "rating": "A"
        },
        {
          "name": "Net Profit YoY",
          "value": "-73.33%",
          "rating": "E"
        },
        {
          "name": "Total Assets YoY",
          "value": "38.01%",
          "rating": "A"
        },
        {
          "name": "Net Assets YoY",
          "value": "-22.55%",
          "rating": "E"
        },
        {
          "name": "Cash Flow Margin",
          "value": "82.21%",
          "rating": "C"
        },
        {
          "name": "OCF YoY",
          "value": "54.00%",
          "rating": "A"
        },
        {
          "name": "Turnover",
          "value": "0.60",
          "rating": "B"
        },
        {
          "name": "Gearing Ratio",
          "value": "72.10%",
          "rating": "D"
        }
      ]
    }
  ]
}
```

## Valuation Analysis

| Metric | Current | Industry Ranking | High | Median | Low |
|--------|---------|-----------------|------|--------|-----|
| PE (TTM) | -52.09 | 136/165 | - | - | - |
| PB | 36.72 | 164/165 | 14.12 | 11.97 | 7.16 |
| PS (TTM) | 15.85 | 117/165 | 10.98 | 8.72 | 7.25 |
| Dividend Yield | 0.00% | - | - | - | - |

## Peer Comparison

| Rank | Name | Profit | Growth | Operation | Security | Cash | Rating |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 01 | Cambricon (688256.SH) | A | A | B | A | B | A |
| 02 | Rockchip (603893.SH) | A | A | A | A | B | A |
| 03 | Puya semiconductor (688766.SH) | B | A | A | B | B | A |
| 04 | Hygon Information Technology (688041.SH) | B | A | C | B | C | B |
| 05 | Montage Technology (688008.SH) | A | A | D | A | B | B |

## Institutional View

### Analyst Rating Distribution

> As of 2026-01-07T16:00:00.000Z

Total Analysts: **1**

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

### Target Price Forecast

| Metric | Price |
|--------|-------|
| Current Price | 101.78 |
| Highest Target | 43.00 |
| Lowest Target | 43.00 |

## References

- [Company Overview — Profile, executives, shareholders, business breakdown](https://longbridge.com/en/quote/688141.SH/overview.md)
- [Financial Reports — Income, balance sheet, cash flow, dividends](https://longbridge.com/en/quote/688141.SH/norm.md)
- [Related News](https://longbridge.com/en/quote/688141.SH/news.md)

---

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