High-voltage harnesses are the lifeline of electric vehicles, and their reliability directly determines the safety, performance, and service life of the entire vehicle. HIMINSEN redefines automotive wire harness manufacturing standards with industry-leading ultrasonic welding technology.

High-voltage harnesses
Our ultrasonic welding technology achieves conductor connection through molecular bonding, delivering core advantages:
✅ Extreme Electrical Conductivity: Zero-resistance connections to maximize EV power efficiency
✅ Unmatched Structural Stability: Resistant to extreme vibration and temperature fluctuations for long-term reliability
✅ Full Process Traceability: Deep MES system integration to meet strict automotive industry compliance requirements
✅ Green & Cost-Effective Production: No consumables, no heat damage, balancing environmental sustainability and production efficiency
Our HMS-D01-D04G series welding machines, engineered specifically for EV high-voltage harnesses, motor connections, and charging systems, are trusted by global automakers for their high precision, excellent scalability, and smart factory compatibility.
As your expert in automotive wire harness ultrasonic welding solutions, we help you build safer, more efficient electric vehicles with every perfect weld.
HIMINSEN: Expert in Automotive Wire Harness Ultrasonic Welding Solutions
Precision Welding for EV High-Voltage Harness Manufacturing | Full Process Traceability | Safe, Reliable, Efficient & Cost-Effective



