---
title: "Sai MicroElectronics Inc. (300456.SZ)"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300456.SZ.md"
symbol: "300456.SZ"
name: "Sai MicroElectronics Inc."
industry: "Electronic Components"
datetime: "2026-05-20T10:41:38.661Z"
locales:
  - [en](https://longbridge.com/en/quote/300456.SZ.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300456.SZ.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300456.SZ.md)
---

# Sai MicroElectronics Inc. (300456.SZ)

## Company Overview

Sai MicroElectronics Inc. engages in the development and sale of micro-electromechanical systems products in China and internationally. It is also involved in the provision of wafer manufacturing services; and sale of semiconductor equipment. It serves the manufacturers of DNA/RNA sequencing machines, lithography machines, silicon photons, AI computing, ICT, infrared thermal imaging, computer networks and systems, metaverse, and medical equipment; and enterprises in various sub industries, as well as communications, biomedical, industrial automobile, consumer electronics, and other fields.

| Item | Detail |
|------|--------|
| Industry | Electronic Components |
| Exchange | CN Market |
| Website | [www.smeiic.com](https://www.smeiic.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 (0.55)**

**Industry**: Electronic Components

| Metric | Value |
|--------|-------|
| Industry Ranking | 104 / 186 |
| Industry Median | B |
| 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 | -45.05% |  |
| Net Profit YoY | 1013.16% |  |
| P/B Ratio | 5.61 |  |
| Dividend Ratio | 0.73% |  |

#### Size Score Score: 

| Indicator | Value | Rating |
|-----------|-------|--------|
| Market Cap | 37211242610.59 |  |
| Revenue | 659807632.69 |  |

#### Multi Score Score: C

| Indicator | Value | Rating |
|-----------|-------|--------|
| ROE | 24.37% | A |
| Profit Margin | 215.86% | A |
| Gross Margin | 16.51% | D |
| Revenue YoY | -45.05% | E |
| Net Profit YoY | 1013.16% | A |
| Total Assets YoY | 19.35% | A |
| Net Assets YoY | 25.71% | A |
| Cash Flow Margin | -18.16% | D |
| OCF YoY | -45.05% | E |
| Turnover | 0.08 | E |
| Gearing Ratio | 21.32% | A |

```chart-data:radar
{
  "title": "Longbridge Financial Score - Sai MicroElectronics Inc.",
  "chart_type": "radar",
  "dimensions": [
    {
      "name": "Style Score",
      "grade": "",
      "indicators": [
        {
          "name": "Revenue YoY",
          "value": "-45.05%",
          "rating": ""
        },
        {
          "name": "Net Profit YoY",
          "value": "1013.16%",
          "rating": ""
        },
        {
          "name": "P/B Ratio",
          "value": "5.61",
          "rating": ""
        },
        {
          "name": "Dividend Ratio",
          "value": "0.73%",
          "rating": ""
        }
      ]
    },
    {
      "name": "Size Score",
      "grade": "",
      "indicators": [
        {
          "name": "Market Cap",
          "value": "37211242610.59",
          "rating": ""
        },
        {
          "name": "Revenue",
          "value": "659807632.69",
          "rating": ""
        }
      ]
    },
    {
      "name": "Multi Score",
      "grade": "C",
      "indicators": [
        {
          "name": "ROE",
          "value": "24.37%",
          "rating": "A"
        },
        {
          "name": "Profit Margin",
          "value": "215.86%",
          "rating": "A"
        },
        {
          "name": "Gross Margin",
          "value": "16.51%",
          "rating": "D"
        },
        {
          "name": "Revenue YoY",
          "value": "-45.05%",
          "rating": "E"
        },
        {
          "name": "Net Profit YoY",
          "value": "1013.16%",
          "rating": "A"
        },
        {
          "name": "Total Assets YoY",
          "value": "19.35%",
          "rating": "A"
        },
        {
          "name": "Net Assets YoY",
          "value": "25.71%",
          "rating": "A"
        },
        {
          "name": "Cash Flow Margin",
          "value": "-18.16%",
          "rating": "D"
        },
        {
          "name": "OCF YoY",
          "value": "-45.05%",
          "rating": "E"
        },
        {
          "name": "Turnover",
          "value": "0.08",
          "rating": "E"
        },
        {
          "name": "Gearing Ratio",
          "value": "21.32%",
          "rating": "A"
        }
      ]
    }
  ]
}
```

## Valuation Analysis

| Metric | Current | Industry Ranking | High | Median | Low |
|--------|---------|-----------------|------|--------|-----|
| PE (TTM) | 26.13 | 5/186 | 26.89 | 25.08 | 21.83 |
| PB | 5.61 | 96/186 | 5.76 | 3.78 | 2.65 |
| PS (TTM) | 56.40 | 194/186 | 40.62 | 19.77 | 11.58 |
| Dividend Yield | 0.73% | 45/186 | 0.81% | 0.75% | 0.71% |

## 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 |

## Institutional View

### Analyst Rating Distribution

> As of 2025-05-18T16:00:00.000Z

Total Analysts: **1**

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

### Target Price Forecast

| Metric | Price |
|--------|-------|
| Current Price | 51.48 |
| Highest Target | undefined |
| Lowest Target | undefined |

## References

- [Company Overview — Profile, executives, shareholders, business breakdown](https://longbridge.com/en/quote/300456.SZ/overview.md)
- [Financial Reports — Income, balance sheet, cash flow, dividends](https://longbridge.com/en/quote/300456.SZ/norm.md)
- [Related News](https://longbridge.com/en/quote/300456.SZ/news.md)
- [Filings — Company announcements and regulatory filings](https://longbridge.com/en/quote/300456.SZ/filings.md)

---

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