28K High-power 220V Portable Ultrasonic Welding Machine
This handheld ultrasonic plastic welder is a lightweight and versatile portable processing device, specially designed for spot welding, edge sealing and splicing of various plastic workpieces. Adopting mature ultrasonic vibration technology, it generates instantaneous heat energy to realize seamless plastic bonding without glue or fasteners, ensuring eco-friendly and zero-waste processing. Featuring an ergonomic handheld design, it breaks the limitations of fixed equipment, suitable for both assembly line mass production and partial welding, repair and processing of special-shaped workpieces.
- Wide voltage compatibility supporting 110V/220V with European standard and mainstream power plugs
- Stable performance with auto-frequency tracking function for high precision
- High-precision welding for various plastic materials including PP, PE, PET, PVC, polycarbonate and polypropylene
- Compatible with non-woven fabrics, textiles and metal parts
- Diversified industry-specific solutions for automotive parts, mask & velcro welding, chicken manure belt welding, and more
- Complete supporting services including cleaning machines, wire harness terminal machines, molds, jigs and precision CNC machining
- Portable & easy-to-operate models ideal for small-batch production, maintenance and on-site applications

| Product Name | Ultrasonic welding machine |
|---|---|
| Frequency | 28KHz |
| Power | 800W-1800W |
| Input Voltage | 110V 220V |
| Equipment Size | 130*265*200MM |
| Welding Time | Controllable |
| Welding Head Material | Aluminum alloy and titanium alloy |
| Welding Material | Various thermoplastic materials |
| Condition | New |
| Place of Origin | China |
| Weight | 4 kg |
Dongguan Sailin CNC Technology Co., Ltd. specializes in the R&D and manufacturing of ultrasonic technology equipment, offering comprehensive ultrasonic welding solutions.
28KHz and 35KHz high-frequency ultrasonic spot welding machines
220V/110V portable welding machines with auto-frequency tracking
Acrylic welding guns and adjustable area welding tools
Automobile parts ultrasonic welders, mask velcro spot welding machines, and chicken manure belt welding machines


Our products and technologies are widely applied across multiple industries including automotive, apparel, aquaculture, footwear manufacturing, plastic products, home appliances, medical care, packaging, textiles, electronics, and food processing.
- Welding of car trim, car door panels, and interior plastics
- Non-woven fabrics, cleaning belts, and chicken manure cleaning belts
- Hollow board finishing boxes and various plastic materials
- Spot welding, riveting, sealing, cutting, and bonding operations
- Materials including acrylic, PVC, PET, ABS, polypropylene, polyethylene, polycarbonate, and nylon
All our machines come with CE certification, and we provide machinery test reports upon request. Our ultrasonic welders feature digital controls, electric lift control, auto frequency tuning, and air-cooled systems with power options from 500W to 4800W.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.