
20+ Years
of Industry Experience

13,000 Units
Annual Plant Capacity

Class100,000
Industrial Clean Room

30+ Sets
of CNC Lathe Equipment
As your reliable plastic welding machine manufacturer and supplier, we specialize in producing superior products with competitive advantages and offer custom plastic welding machines with high-standard certifications.
Professional Automotive Plastic Parts Welding Machine
Dizo Sonics provides high-performance automotive plastic welding machines, designed for precision welding of car interior parts and exterior components. Optimized for automotive manufacturing, our plastic welding equipment delivers fast cycle times, energy efficiency, and consistent weld quality, meeting industry standards for durability and reliability.
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Ultrasonic Welding Machine
Crafted with precision components and advanced control systems, Dizo's ultrasonic welding machines remain affordable. We strike the perfect balance between innovation and cost-effectiveness, delivering welding solutions equipped with premium features.
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Servo Hot Plate Welding Machine
Dizo manufactures hot plate welding machines that deliver exceptional precision and reliability. Our welding systems feature advanced control mechanisms and are available in both standard and servo-actuated configurations to meet specialized needs.
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Vibration Welding Machine
Dizo vibration welding machines are engineered to assemble large and complex thermoplastic parts. Their energy-efficient technology enhances production line efficiency, making them an essential solution for plastic welding across multiple industries.
Dizo is a leading plastic welding machine manufacturer with 20+ years of expertise in designing high-performance automotive plastic welding equipment. We specialize in custom plastic welding machines for bumpers, dashboards, fuel tanks, and more. Trust Dizo for reliable, high-speed plastic joining solutions that enhance production efficiency.

Dizo Automatic Ultrasonic Welding Machine delivers precision welding for auto interior parts (door panels, dashboards, trim) with multi-head 360° adjustable systems for high-speed production.

Dizo Auto Tank Hot Plate Welding Machine is a professional hot plate welder for automotive plastic tanks (radiators, fuel/water tanks, brake reservoirs), delivers leak-proof PP/ABS/PE welds with fast heating and industrial durability.

Dizo Auto Bumper Ultrasonic Welding & Punching Machine ensures 0.1mm precision welding & punching for PP/ABS bumpers, ideal for high-volume automotive production. Customizable solutions available for seamless bumper assembly.

Enhance your production with Dizo Sonics's heat staking machine for car door panels. Featuring fast welding speed, high efficiency, and exceptional product consistency, this machine ensures precision and reliability.

Dizo Multi-head Ultrasonic Welding Machine is designed for high-efficiency, precision welding of complex automotive plastic components, using multiple synchronized sonotrodes for uniform strength and aesthetics. Offering customizable configurations, digital control, and industrial durability, it ensures fast, reliable production for high-volume automotive manufacturing.

Dizo Auto Ultrasonic Welding Robotic Workstation is designed for automotive interior welding, offering quick mold changes, stable performance, and high-quality welds. The welding robot workstation is ideal for automotive plastic welding, car part assembly, and interior trim manufacturing.

Achieve superior welding strength with Dizo Sonics's hot plate welding machine for automotive lamps/lights. Featuring automatic self-cleaning, precision depth control, and broad material compatibility, this machine ensures high repeatability and production efficiency for demanding automotive applications.

As a leading manufacturer of automotive industrial heat staking and hot plate welding systems, Dizo Sonics deliver high-strength thermoplastic bonding with fully programmable temperature, pressure, and cycle controls for mission-critical assembly applications.
Dizo Sonics deliver customizable plastic welding solutions for diverse industries, handling components from miniature parts to large plastic assemblies with precision joining quality.
Automotive
Dizo Sonics provide fast and efficient welding services for automotive components, including bumpers, lights, dashboards, door panels, center consoles, fuel tanks, coolant reservoirs, and wheel covers.
More Applications
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Home Appliances
Creates durable, invisible joints for home appliance parts—eliminating adhesives. Ideal for refrigerators, washing machines, and dishwashers, it ensures leak-proof, vibration-resistant bonds with a factory-finish look.
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Medical Devices
Delivers rapid, airtight seals for medical devices and reduces production costs. Ideal for catheters, surgical tools, and diagnostic equipment, it ensures FDA-compliant, particulate-free joints with repeatable results.
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Toys
Ensures child-safe, durable assembly of toy parts—delivering smooth, chemical-free joins without hazardous adhesives or choking-risk fasteners. Ideal for plastic toys, educational kits, and action figures, it meets EN71 and ASTM F963 safety standards with production-ready precision.
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Packaging
Creates flawless, hermetic seals for premium cosmetic packaging and consumer product packaging—eliminating glue residues while ensuring tamper-proof protection.

About Dizo Sonics
Dizo Sonics is a professional plastic welding machine manufacturer and supplier headquartered in Wuxi, China, with operations in Shanghai's business district.
With a workforce of 102 employees including 21 engineers, and partnerships with 2 leading universities, we maintain an annual production capacity of 3,000 units of equipment and 10,000 sets of accessories.
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5,000
Square Meters -
5
Production Lines -
30
Processing Machines -
5
Testing Facilities
Prior to developing your customized plastic welding solution, we provide comprehensive support including technical consultations, sample testing, quality inspections, and tailored solution design. Our team will collaborate closely with you to ensure seamless implementation and optimal results.

Free Consultation & Expert Guidance
Receive professional recommendations for model selection, plus complimentary design support and on-site technical assistance.

Transparent Manufacturing Process
Customers can track every stage of production in real-time.

Customized Technical Training
Tailored programs designed to meet user requirements, with ongoing product upgrade support.

Detailed Inspection Documentation
Delivering comprehensive inspection standards and verified results to your technical teams.

Lifetime Support & One-Year Warranty
Enjoy unlimited technical assistance, a comprehensive one-year warranty, and 24/7 engineer availability—guaranteeing a response within 8 hours.
Our plastic welding machines carry CE, ISO, and RoHS certifications, ensuring full compliance with stringent international standards.



Dizo Sonics partner with top-tier brands and boast a proven track record of successful implementations. Discover your tailored plastic welding solution—just like industry leaders did!
When selecting a plastic welding machine manufacturer and supplier, we emerge as the definitive choice—where your satisfaction isn’t merely promised, but contractually guaranteed.

I highly recommend Dizo for projects that require ultrasonic plastic welding technology. Their team excels at delivering valuable products and services, making them a strong choice for your needs.

The ultrasonic welding system integrates seamlessly with our automation equipment. We are delighted to collaborate with you.

We are thrilled to have found an ultrasonic welder supplier like Dizo, offering excellent service. We will establish a long-term cooperation with them.
For two decades, Dizo Sonics has been a leading manufacturer and supplier of plastic welding machines in China, delivering proven solutions to global clients.

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