Sanhe Tongfei Refrigeration (300990, SZSE) is a China company in the Liquid Cooling & Thermal segment of the AI compute value chain. As of October 04, 2026, its market cap is $2.5 billion ($2.5B), ranking #217 of 244 companies overall and #11 of 16 in the Liquid Cooling & Thermal segment (1.0% of the segment, 0.01% of the chain). Over the past year the stock gained 15.1% (52-week range 60.32 – 120.41 CNY).
| Company | Sanhe Tongfei Refrigeration（同飞股份） |
|---|---|
| Ticker | 300990 · SZSE |
| Segment | Liquid Cooling & Thermal |
| Headquarters | China |
| Market cap | $2.5B（$2.5 billion） |
| Close | 97.02 CNY (October 04, 2026) |
| Today | -1.41% |
| 30 days | +28.79% |
| 1 year | +15.09% |
| 52-wk high / low | 120.41 / 60.32 CNY |
| Share of segment | 1.0% (Liquid Cooling & Thermal: 16 companies) |
| Share of chain | 0.01% (244 companies combined) |
| Segment leader | Vertiv Holdings ($97.1B) |
| Net income (TTM) | $38.1 million |
|---|---|
| P/E ratio (TTM) | 64.9 |
| P/B ratio | 7.59 |
| 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 | Vertiv Holdings VRT | US | $97.1B |
| 2 | AVC 3017.TW | TW | $42.4B |
| 3 | Jentech Precision Industrial 3653.TW | TW | $31.4B |
| 4 | nVent Electric NVT | US | $27.4B |
| 5 | Envicool 002837 | SZ | $10.3B |
| 6 | Shenling Environment 301018 | SZ | $4.9B |
| 7 | Jones Tech 300684 | SZ | $4.8B |
| 8 | Kaori Heat Treatment 8996.TW | TW | $4.4B |
| 9 | Auras Technology 3324.TW | TW | $4.4B |
| 11 | Sanhe Tongfei Refrigeration 300990 | SZ | $2.5B |
| 10 | FRD Science & Technology 300602 | SZ | $3.0B |