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Kunshan maker of electromagnetic-shielding and cushioning materials for laptops and phones, now adding composite copper foil.
Kunshan maker of electromagnetic-shielding and cushioning materials for laptops and phones, now adding composite copper foil.
Makes thin shielding, cushioning and thermal materials that block electromagnetic interference inside laptops, tablets, phones and wearables, then die-cuts them to each customer's design, so it is paid per part by device brands and their contract manufacturers. A newer composite copper foil line, for batteries and circuit boards, plus plants in Vietnam and Thailand, extends the business beyond shielding.
Moat: narrow (customer qualification, process know-how). Qualified into global device brands' supply chains with custom die-cutting; materials compete on specification and price.
Headquarters: Kunshan, China · Founded: 2000 · Employees: 923
Size Long Young Electronic (Kunshan) (301389.SZ) is a China Industrials company (Electrical Products) with a market value of $1.55B, the 1582nd largest of 4,839 China companies the cockpit tracks. Shares closed at CN¥36.57 on 6 Nov 2026.
Performance Over six months the shares fell 41.5%, against -38.9% for the median peer and -16.4% for the China market (cap-weighted) — 7th lowest of 18 in its peer set.
Growth Revenue grew 102.9% over the last twelve months (peer median +24.2%); the operating margin is 16.9% (peer median 8.6%).
Valuation It trades at 55.4× forward earnings against a peer median of 21.3× (2nd most expensive of 14).
Price implies For today's price to make sense, revenue must grow about 46% a year for seven years (Req g). Recent delivered growth is +3%, so the hurdle is +43 pp: the price needs faster growth than the company has been delivering — of companies that just grew 25–50% a year, 93.8% slowed down over the next four years.
Capital Return on invested capital runs 8.7 points below its cost of capital (16.4% WACC).
Next results Next results expected around 12 Mar 2027 (exchange calendar; dates can move).
| TTM | FY2025 | FY2024 | FY2023 | FY2022 | |
|---|---|---|---|---|---|
| Revenue | CN¥752M | CN¥500M | CN¥286M | CN¥264M | CN¥374M |
| Revenue growth | — | +75% | +8% | -29% | — |
| Gross profit | CN¥388M | CN¥231M | CN¥129M | CN¥113M | CN¥205M |
| EBITDA | n/a | CN¥158M | CN¥74.8M | CN¥67.5M | CN¥167M |
| Net income | CN¥90.4M | CN¥104M | CN¥82.2M | CN¥96.8M | CN¥169M |
| Free cash flow | CN¥212M | CN¥92.7M | CN¥28.5M | CN¥32.1M | CN¥169M |
| Capital expenditure | CN¥118M | CN¥107M | CN¥51.2M | CN¥98.1M | CN¥28.8M |
| Total debt | CN¥328M | CN¥468M | CN¥19.6M | CN¥10.5M | CN¥14.5M |
The default views of Competitor Analysis ▸ Charts, drawn from the same data. Open them in the cockpit to change the axes, pin companies and read every value.
| Company | Market cap | 6M return | Revenue growth | Op. margin | Forward P/E | Req g |
|---|---|---|---|---|---|---|
| Long Young Electronic (Kunshan) 301389.SZ | $1.55B | -41% | +103% | 17% | 55.4× | 46.5% |
| 3M MMM | $95.7B | +30% | +2% | 21% | 19.2× | 11.3% |
| Parker Hannifin PH | $116B | +4% | +8% | 22% | 24.4× | 19.0% |
| Jones Tech 300684.SZ | $3.83B | +20% | +15% | 20% | 45.3× | 42.9% |
Peer set: Industry: the same industry and sector in any market, nearest in size. This is the same default set the interactive Competitor Analysis opens with.
| Measure | 301389.SZ | Peer median | Rank in peer set |
|---|---|---|---|
| 1-month return | -27.2% | -15.8% | 7th lowest of 21 |
| 6-month return | -41.5% | -38.9% | 7th lowest of 18 |
| Distance from 52-week high | -67.6% | -60.3% | 4th lowest of 21 |
| Revenue growth (TTM) | +102.9% | +24.2% | highest of 21 |
| Operating margin | 16.9% | 8.6% | 2nd highest of 21 |
| Forward P/E | 55.4× | 21.3× | 2nd most expensive of 14 |
| Growth the price implies (Req g, 7 yrs) | 46.5% | 13.6% | 2nd most demanding of 11 |
| Growth delivered (Del g) | +3.3% | +18.4% | 2nd lowest of 11 |
| Hurdle (Req g minus delivered) | +43.2 pp | -13.7 pp | most demanding of 11 |
| ROIC minus cost of capital | -8.7 pp | -2.7 pp | 5th lowest of 20 |
| Company | Market | Market cap | 6M return | Revenue growth | Op. margin | Forward P/E | Req g | Delivered g |
|---|---|---|---|---|---|---|---|---|
| Long Young Electronic (Kunshan) 301389.SZ | China | $1.55B | -41% | +103% | 17% | 55.4× | 46.5% | +3.3% |
| Sinfonia Technology 6507.T | Japan | $1.56B | -39% | +9% | 15% | 14.2× | 15.4% | +8.0% |
| Hangzhou Gold Electronic Equipment 301669.SZ | China | $1.56B | n/a | +37% | 9% | n/a | n/a | n/a |
| ERock EROC | United States | $1.56B | n/a | +43% | -19% | 35.8× | 12.5% | +42.5% |
| Shenzhen SDG Information 000070.SZ | China | $1.55B | -33% | +27% | -1% | n/a | 28.4% | -1.3% |
| Shandong Hi-tech Spring Material Technology 301292.SZ | China | $1.54B | -46% | +46% | 11% | 31.8× | n/a | n/a |
| Beijing Victory Electric 001393.SZ | China | $1.53B | n/a | +31% | 11% | n/a | n/a | n/a |
| Yangtze Optical Electronic 688143.SS | China | $1.59B | +56% | +25% | 2% | 296.7× | n/a | n/a |
| Cswind 112610.KS | South Korea | $1.52B | -31% | -8% | 7% | 11.6× | -0.5% | +23.8% |
| Iljin Electric 103590.KS | South Korea | $1.52B | -65% | +24% | 9% | 11.2× | n/a | n/a |
| Shenzhen Hopewind Electric 603063.SS | China | $1.52B | -50% | -5% | 9% | 24.6× | 14.6% | +12.3% |
| Hammond Power Solutions HPS-A.TO | Canada | $1.60B | -41% | +51% | 11% | 13.7× | 9.4% | +22.8% |
| Up-Shine Lighting 301362.SZ | China | $1.50B | -39% | +15% | 7% | 29.5× | n/a | n/a |
| Shanghai Electric Wind Power 688660.SS | China | $1.50B | -39% | +69% | -6% | n/a | n/a | n/a |
| Hainan Drinda New Energy Technology 002865.SZ | China | $1.49B | -45% | -4% | -13% | n/a | 19.3% | +54.9% |
| Zhejiang Zhaolong Interconnect Technology Co. Limited 300913.SZ | China | $1.49B | -45% | +29% | 12% | 44.1× | n/a | n/a |
| Inox Wind INOXWIND.NS | India | $1.49B | -39% | +17% | 15% | 15.4× | n/a | n/a |
| Aerospace Intelligent Manufacturing Technology 300446.SZ | China | $1.48B | -38% | -14% | 5% | 21.3× | 2.1% | +133.1% |
| Aerospace Hi-Tech 000901.SZ | China | $1.63B | -43% | -21% | 1% | n/a | n/a | n/a |
| Guodian Nanjing Automation 600268.SS | China | $1.48B | -35% | -5% | 9% | 15.2× | -0.1% | +13.9% |
| Googol Technology 301510.SZ | China | $1.65B | -30% | +66% | 21% | n/a | 50.5% | +14.1% |