
Published on June 7, 2026
Supplied sealing rings for new energy vehicle high-voltage connectors. Passed 150°C temperature resistance test and IP67 waterproof certification, monthly capacity reaches 500,000 units, entered mainstream automaker supply chain.

A new energy vehicle manufacturer needed sealing rings for high-voltage connectors. The application demands were challenging:
1. High temperature vulcanization issues in initial trials
2. Dimensional stability after thermal cycling
3. Compression set resistance for long-term sealing
4. Material compatibility with connector housing
| Metric | Specification | Achieved |
|---|---|---|
| Temp resistance | 150°C | 150°C passed |
| IP rating | IP67 | IP67 passed |
| Compression set | <20% | 12% |
Monthly capacity reached 500,000 pieces. The product entered mainstream EV supply chains with annual orders of 2 million pieces.
"Xiangchu solved the vulcanization issues that stumped other suppliers. Now a trusted partner for our connector sealing needs."
Reliable partner, sealing rings passed strict automotive certification, stable delivery.