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Nantong-based power-semiconductor maker of MOSFETs, thyristors, protection devices and diodes, mostly made in its own fabs.
Nantong-based power-semiconductor maker of MOSFETs, thyristors, protection devices and diodes, mostly made in its own fabs.
Designs and makes power chips and devices in its own factories and sells them to appliance, auto, industrial and power-supply makers. MOSFETs are now its largest line, with thyristors and protection devices behind them, so earnings follow device pricing, factory utilisation and the MOSFET ramp.
Moat: narrow (process know-how, customer qualification). IDM production of thyristors and protection devices, where it is a leading domestic supplier, plus qualified MOSFET lines.
Headquarters: Nantong, China · Founded: 1995 · Employees: 3,299
Size Jiangsu JieJie Microelectronics (300623.SZ) is a China Information Technology company (Semiconductors) with a market value of $3.31B, the 784th largest of 4,839 China companies the cockpit tracks. Shares closed at CN¥26.29 on 6 Nov 2026.
Performance Over six months the shares fell 9.2%, against -28.5% for the median peer and -16.4% for the China market (cap-weighted) — 4th highest of 20 in its peer set.
Growth Revenue grew 34.3% over the last twelve months (peer median +21.0%); the operating margin is 16.9% (peer median 3.8%).
Valuation It trades at 24.6× forward earnings against a peer median of 47.1× (5th cheapest of 17).
Price implies For today's price to make sense, revenue must grow about 18% a year for seven years (Req g). Recent delivered growth is +28%, so the hurdle is -10 pp: the price already allows for a slowdown.
Capital Return on invested capital runs 3.0 points above its cost of capital (12.7% WACC).
Next results Next results expected around 21 Apr 2027 (exchange calendar; dates can move).
| TTM | FY2025 | FY2024 | FY2023 | FY2022 | |
|---|---|---|---|---|---|
| Revenue | CN¥4.47B | CN¥3.48B | CN¥2.82B | CN¥2.10B | CN¥1.82B |
| Revenue growth | — | +24% | +34% | +16% | — |
| Gross profit | CN¥2.05B | CN¥969M | CN¥849M | CN¥593M | CN¥659M |
| EBITDA | n/a | CN¥1.34B | CN¥1.09B | CN¥596M | CN¥520M |
| Net income | CN¥722M | CN¥477M | CN¥473M | CN¥219M | CN¥359M |
| Free cash flow | CN¥632M | CN¥99.1M | CN¥111M | -CN¥252M | -CN¥1.74B |
| Capital expenditure | CN¥586M | CN¥675M | CN¥612M | CN¥1.19B | CN¥2.09B |
| Total debt | CN¥1.67B | CN¥1.22B | CN¥1.14B | CN¥2.36B | CN¥2.47B |
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 |
|---|---|---|---|---|---|---|
| Jiangsu JieJie Microelectronics 300623.SZ | $3.31B | -9% | +34% | 17% | 24.6× | 17.9% |
| Yangzhou Yangjie Electronic Technology 300373.SZ | $5.99B | -3% | +29% | 18% | 22.4× | 18.1% |
| Hangzhou Silan Microelectronics 600460.SS | $5.93B | -18% | +12% | 2% | 41.1× | n/a |
| China Resources Microelectronics 688396.SS | $9.72B | -14% | +17% | 10% | 46.9× | 25.7% |
| Littelfuse LFUS | $9.04B | -22% | +19% | 18% | 16.3× | 15.3% |
| Alpha and Omega Semiconductor L AOSL | $716M | -38% | -2% | -6% | n/a | n/a |
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 | 300623.SZ | Peer median | Rank in peer set |
|---|---|---|---|
| 1-month return | -15.1% | -25.3% | 6th highest of 21 |
| 6-month return | -9.2% | -28.5% | 4th highest of 20 |
| Distance from 52-week high | -42.3% | -54.4% | 6th highest of 21 |
| Revenue growth (TTM) | +34.3% | +21.0% | 8th highest of 21 |
| Operating margin | 16.9% | 3.8% | 5th highest of 20 |
| Forward P/E | 24.6× | 47.1× | 5th cheapest of 17 |
| Growth the price implies (Req g, 7 yrs) | 17.9% | 23.8% | 4th least demanding of 8 |
| Growth delivered (Del g) | +28.2% | +13.7% | 2nd highest of 8 |
| Hurdle (Req g minus delivered) | -10.4 pp | +7.3 pp | 3rd least demanding of 8 |
| ROIC minus cost of capital | +3.0 pp | -7.7 pp | 3rd highest of 19 |
| Company | Market | Market cap | 6M return | Revenue growth | Op. margin | Forward P/E | Req g | Delivered g |
|---|---|---|---|---|---|---|---|---|
| Jiangsu JieJie Microelectronics 300623.SZ | China | $3.31B | -9% | +34% | 17% | 24.6× | 17.9% | +28.2% |
| Shenyang Fortune Precision Equipment 688409.SS | China | $3.28B | -2% | +34% | 4% | 122.8× | n/a | n/a |
| Jiangsu X-chip Semiconductor Tech 301707.SZ | China | $3.40B | n/a | +55% | 41% | n/a | n/a | n/a |
| Chipbond Technology 6147.TWO | Taiwan | $3.20B | -20% | +18% | 17% | 17.2× | n/a | n/a |
| Airoha Technology 6526.TW | Taiwan | $3.16B | +5% | +10% | 6% | 25.4× | 23.8% | +16.5% |
| Suzhou Everbright Photonics 688048.SS | China | $3.48B | -63% | +88% | -1% | 626.2× | n/a | n/a |
| JA Solar Technology 002459.SZ | China | $3.50B | -35% | -23% | n/a | n/a | -20.3% | +13.7% |
| Shenzhen S.C New Energy Technology 300724.SZ | China | $3.12B | -36% | -67% | 8% | 24.2× | 7.6% | +30.8% |
| Rorze 6323.T | Japan | $3.11B | -24% | +10% | 27% | 12.6× | 14.3% | +20.4% |
| Hangzhou Lion Electronics 605358.SS | China | $3.55B | -25% | +24% | -1% | 81.0× | n/a | n/a |
| Xintec 3374.TWO | Taiwan | $3.08B | +88% | +17% | 23% | 36.2× | n/a | n/a |
| Diodes DIOD | United States | $3.56B | -31% | +18% | 5% | 14.6× | 34.0% | +3.8% |
| Suzhou Novosense Microlectronics 2676.HK | Hong Kong | $3.57B | -28% | +86% | -2% | 121.4× | n/a | n/a |
| Suzhou Novosense Microelectronics 688052.SS | China | $3.60B | -15% | +77% | -2% | 209.7× | n/a | n/a |
| Linktel Technologies 301205.SZ | China | $3.60B | -39% | +54% | 3% | 281.1× | n/a | n/a |
| Shanghai Awinic Technology 688798.SS | China | $3.04B | -9% | +2% | 1% | 39.5× | n/a | n/a |
| InnoScience (Suzhou) Technology 2577.HK | Hong Kong | $3.03B | -63% | +56% | -49% | n/a | n/a | n/a |
| Nordic Semiconductor NOD.OL | Norway | $3.62B | -12% | +15% | 8% | 54.6× | n/a | n/a |
| AP Memory Technology 6531.TW | Taiwan | $2.99B | -35% | +63% | 29% | 27.0× | 34.1% | +9.8% |
| Soitec SOI.PA | France | $3.79B | -38% | -34% | -6% | 141.8× | 25.0% | +0.3% |
| Loongson Technology 688047.SS | China | $3.86B | -44% | +24% | -76% | n/a | n/a | n/a |