Honor Electronic (300870, SZSE) is a China company in the Power Supply segment of the AI compute value chain. As of October 04, 2026, its market cap is $4.0 billion ($4.0B), ranking #195 of 244 companies overall and #7 of 12 in the Power Supply segment (0.9% of the segment, 0.02% of the chain). Over the past year the stock gained 11.2% (52-week range 122.28 – 380.06 CNY).
| Company | Honor Electronic（欧陆通） |
|---|---|
| Ticker | 300870 · SZSE |
| Segment | Power Supply |
| Headquarters | China |
| Market cap | $4.0B（$4.0 billion） |
| Close | 175.30 CNY (October 04, 2026) |
| Today | -3.36% |
| 30 days | -24.39% |
| 1 year | +11.19% |
| 52-wk high / low | 380.06 / 122.28 CNY |
| Share of segment | 0.9% (Power Supply: 12 companies) |
| Share of chain | 0.02% (244 companies combined) |
| Segment leader | Eaton ($169.4B) |
| Net income (TTM) | $17.6 million |
|---|---|
| P/E ratio (TTM) | 226.0 |
| P/B ratio | 10.31 |
| Basis | PE/PB 腾讯行情；净利润=总市值÷PE 推算（TTM） (source: tencent, 2026-10-05 08:05) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | Eaton ETN | US | $169.4B |
| 2 | Delta Electronics 2308.TW | TW | $153.7B |
| 3 | Monolithic Power Systems MPWR | US | $70.8B |
| 4 | Lite-On Technology 2301.TW | TW | $20.5B |
| 5 | Vicor Corporation VICR | US | $14.2B |
| 6 | Megmeet Electrical 002851 | SZ | $10.1B |
| 7 | Honor Electronic 300870 | SZ | $4.0B |
| 8 | Kehua Data 002335 | SZ | $3.4B |
| 9 | Zhongheng Electric 002364 | SZ | $2.7B |
| 10 | East Group 300376 | SZ | $1.4B |