--- title: "Jiujiang Defu Technology Co., Limited (301511.SZ)" type: "Symbol" locale: "en" url: "https://longbridge.com/en/quote/301511.SZ.md" symbol: "301511.SZ" name: "Jiujiang Defu Technology Co., Limited" industry: "Electrical Components and Equipment" datetime: "2026-05-20T02:28:19.448Z" locales: - [en](https://longbridge.com/en/quote/301511.SZ.md) - [zh-CN](https://longbridge.com/zh-CN/quote/301511.SZ.md) - [zh-HK](https://longbridge.com/zh-HK/quote/301511.SZ.md) --- # Jiujiang Defu Technology Co., Limited (301511.SZ) ## Company Overview Jiujiang Defu Technology Co., Limited, together with its subsidiaries, engages in the research, development, production, and sale of electrolytic copper foils in China. The company offers lithium copper foils, such as ordinary strength and medium intensity double-sided lithium battery copper foil, high and ultra-high strength 60 double-sided light lithium battery copper foils, low and high elastic modulus double-sided lithium battery copper foils, high elongation double-sided lithium battery copper foils, PCF porous copper foils, ACF atomized foils, and SCF copper foils. It also provides copper foils for electronic circuits, sealing loading plates, high frequency signals, high-speed transmission, fine lines, automotive circuit boards, and soft plates; special copper foils; and outer pressed copper foils. In addition, the company offers optoelectronic materials, copper foil additives, and medical products. | Item | Detail | |------|--------| | Industry | Electrical Components and Equipment | | Exchange | CN Market | | Website | [www.jjdefu.com](https://www.jjdefu.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 (0.45)** **Industry**: Electrical Components and Equipment | Metric | Value | |--------|-------| | Industry Ranking | 103 / 261 | | Industry Median | C | | Industry Average | C | - **Style**: Growth - Stocks whose main business is in the growth stage. - **Scale**: Mid - The company has stable operation of a large-cap stock and the high return of a small-cap stock. **Multi Score**: C #### Style Score Score: | Indicator | Value | Rating | |-----------|-------|--------| | Revenue YoY | 56.59% | | | Net Profit YoY | 282.77% | | | P/B Ratio | 14.68 | | | Dividend Ratio | 0.00% | | #### Size Score Score: | Indicator | Value | Rating | |-----------|-------|--------| | Market Cap | 60963202598.12 | | | Revenue | 14260191540.34 | | #### Multi Score Score: C | Indicator | Value | Rating | |-----------|-------|--------| | ROE | 5.91% | C | | Profit Margin | 1.69% | C | | Gross Margin | 9.11% | E | | Revenue YoY | 56.59% | A | | Net Profit YoY | 282.77% | A | | Total Assets YoY | 19.51% | A | | Net Assets YoY | 6.72% | B | | Cash Flow Margin | -208.77% | E | | OCF YoY | 56.59% | A | | Turnover | 0.75 | B | | Gearing Ratio | 76.37% | E | ```chart-data:radar { "title": "Longbridge Financial Score - Jiujiang Defu Technology Co., Limited", "chart_type": "radar", "dimensions": [ { "name": "Style Score", "grade": "", "indicators": [ { "name": "Revenue YoY", "value": "56.59%", "rating": "" }, { "name": "Net Profit YoY", "value": "282.77%", "rating": "" }, { "name": "P/B Ratio", "value": "14.68", "rating": "" }, { "name": "Dividend Ratio", "value": "0.00%", "rating": "" } ] }, { "name": "Size Score", "grade": "", "indicators": [ { "name": "Market Cap", "value": "60963202598.12", "rating": "" }, { "name": "Revenue", "value": "14260191540.34", "rating": "" } ] }, { "name": "Multi Score", "grade": "C", "indicators": [ { "name": "ROE", "value": "5.91%", "rating": "C" }, { "name": "Profit Margin", "value": "1.69%", "rating": "C" }, { "name": "Gross Margin", "value": "9.11%", "rating": "E" }, { "name": "Revenue YoY", "value": "56.59%", "rating": "A" }, { "name": "Net Profit YoY", "value": "282.77%", "rating": "A" }, { "name": "Total Assets YoY", "value": "19.51%", "rating": "A" }, { "name": "Net Assets YoY", "value": "6.72%", "rating": "B" }, { "name": "Cash Flow Margin", "value": "-208.77%", "rating": "E" }, { "name": "OCF YoY", "value": "56.59%", "rating": "A" }, { "name": "Turnover", "value": "0.75", "rating": "B" }, { "name": "Gearing Ratio", "value": "76.37%", "rating": "E" } ] } ] } ``` ## Valuation Analysis | Metric | Current | Industry Ranking | High | Median | Low | |--------|---------|-----------------|------|--------|-----| | PE (TTM) | 261.97 | 192/261 | 937.44 | 818.20 | 746.26 | | PB | 15.22 | 261/261 | 5.97 | 5.29 | 4.52 | | PS (TTM) | 4.43 | 156/261 | 2.35 | 2.05 | 1.75 | | Dividend Yield | 0.00% | - | - | - | - | ## 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 | ## Institutional View ### Analyst Rating Distribution > As of 2026-05-15T16:00:00.000Z Total Analysts: **2** | Rating | Count | Percentage | |--------|-------|-----------| | Buy | 1 | 50% | | Overweight | 1 | 50% | ### Target Price Forecast | Metric | Price | |--------|-------| | Current Price | 100.56 | | Highest Target | 54.00 | | Lowest Target | 54.00 | ## References - [Company Overview — Profile, executives, shareholders, business breakdown](https://longbridge.com/en/quote/301511.SZ/overview.md) - [Financial Reports — Income, balance sheet, cash flow, dividends](https://longbridge.com/en/quote/301511.SZ/norm.md) - [Related News](https://longbridge.com/en/quote/301511.SZ/news.md) - [Filings — Company announcements and regulatory filings](https://longbridge.com/en/quote/301511.SZ/filings.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**