Skip to content
Strengthening local support and bringing advanced ultrasonic metal welding technology closer to Indian customers
BONNE Ultrasonic is pleased to announce the establishment of a strategic partnership with Donisis LLP, India, as our authorized partner for the Indian market.
Through this cooperation, Donisis LLP will support BONNE’s customers in India with local sales assistance, technical communication, and after-sales service for BONNE ultrasonic metal welding equipment.
This partnership represents an important milestone in BONNE’s global expansion strategy and demonstrates our commitment to providing reliable technology and professional support to customers worldwide.
Building Trust Through Technical Exchange and Factory Visit
Before officially establishing the partnership, the Donisis team visited BONNE’s manufacturing facility in Wuxi, China, in September 2026.
During the factory visit, both teams had in-depth discussions about ultrasonic metal welding technology, equipment applications, customer requirements, and future cooperation opportunities.
The visit provided Donisis with a comprehensive understanding of BONNE’s:
- Research and development capabilities
- Manufacturing processes
- Quality control standards
- Ultrasonic welding technology expertise
- Customer application experience
Through face-to-face communication and technical exchanges, both companies built a strong foundation of trust and confidence for long-term cooperation.
After detailed evaluation and discussion, BONNE and Donisis LLP officially signed the partnership agreement.
Supporting Indian Customers with Local Sales and Service
As BONNE’s authorized partner in India, Donisis LLP will provide professional support for local customers, including:
- Ultrasonic wire harness welding machine consultation
- Equipment selection and application support
- Local project communication
- Technical assistance
- After-sales service support
With a local partner in India, BONNE customers can enjoy faster communication and more efficient technical support throughout the entire process — from initial consultation and equipment selection to installation and long-term operation.
Expanding Ultrasonic Metal Welding Solutions in India’s Automotive and EV Industries
India’s automotive, electric vehicle, and energy storage industries are developing rapidly, creating growing demand for advanced and reliable metal joining technologies.
BONNE Ultrasonic specializes in the development and manufacturing of ultrasonic metal welding equipment, providing solutions for:
- Ultrasonic wire harness welding
- Ultrasonic terminal welding
- Copper and aluminum conductor joining
- EV high-voltage cable connections
- Battery and energy storage applications
BONNE’s ultrasonic welding technology helps manufacturers achieve:
- Stable welding quality
- Low electrical resistance
- High connection reliability
- Improved production efficiency
- Consistent welding performance
A Strong Partnership for the Future
At BONNE Ultrasonic, we believe successful partnerships are built on trust, technical capability, and a shared commitment to customer success.
By combining BONNE’s manufacturing expertise with Donisis LLP’s local market knowledge and service capability, we aim to provide Indian customers with professional ultrasonic welding solutions and reliable technical support.
We look forward to working together with Donisis LLP to support more automotive, EV, battery, and wire harness manufacturers in India.
About Our India Partner
Donisis LLP is BONNE Ultrasonic’s authorized partner in India, supporting local customers with ultrasonic welding equipment consultation, technical communication, and after-sales service.
For inquiries and local support:
Donisis LLP 🌐 donisis.com | ✉️ kaustav@donisis.com | 📱 +91 93245 69864
About BONNE Ultrasonic
BONNE Ultrasonic is a professional manufacturer specializing in ultrasonic metal welding equipment.
Our product portfolio includes:
- Ultrasonic wire harness welding machines
- Ultrasonic terminal welding machines
- Ultrasonic metal spot welding solutions
With integrated R&D, manufacturing, sales, and after-sales service capabilities, BONNE provides reliable ultrasonic welding solutions for customers worldwide.
🌐 bonnesonic.com | ✉️ chen@bnsonic.com | 📱 +86 133 3877 1590
