
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 Ultrasonic 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.
-
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.
-
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.
-
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.

As a leading ultrasonic welding supplier, Dizo Ultrasonic provides ultrasonic multi-head welding for car exterior parts with various specs and complex designs.

Dizo Ultrasonic plastic welding workstation is used for car interiors. It offers quick mold changes, stable performance, and reliable welding for door panels, hubcaps, dashboards, etc.

Explore our Car Plastic Tank Hot Plate Welder for efficient hot plate welding of car plastic radiators, water tanks, fuel tanks, carbon canisters, brake fluid reservoirs, and expansion tanks. Durable and safe for PP, ABS, PE, and more.

Explore Dizo Ultrasonic's car multi-head automatic ultrasonic welding machine for automotive interiors parts. It features 360° adjustable welding positions and independent systems.

Discover high-precision automotive plastic welding & punching for car bumpers with Dizo Ultrasonic. Achieving 0.1mm punch accuracy and secure weld points. Customize yours!

Enhance production with Dizo Ultrasonic's heat staking machine for car door panels. Fast welding speeds, high efficiency, and excellent product consistency.

Achieve unmatched welding strength with our car lamp/lights hot plate welding machine: automatic cleaning, depth control, and versatile material compatibility. Get a quote.

Dizo ultrasonic is your trusted manufacturer for hot fusion welding and heat staking machine, offering adjustable welding unit parameters for superior performance.
Dizo Ultrasonic deliver customizable plastic welding solutions for diverse industries, handling components from miniature parts to large plastic assemblies with precision joining quality.
Automotive
Dizo Ultrasonic 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
-
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.
-
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.
-
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.
-
Packaging
Creates flawless, hermetic seals for premium cosmetic packaging and consumer product packaging—eliminating glue residues while ensuring tamper-proof protection.

About Dizo Ultrasonic
Dizo Ultrasonic 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.
-
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 Ultransonic 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 Ultrasonic has been a leading manufacturer and supplier of plastic welding machines in China, delivering proven solutions to global clients.

May 20, 2025
Have you ever wondered how car door panels are made? These everyday parts of a vehicle might seem simple, but they're t...
Read More
May 19, 2025
Pipe welding is an integral process in various industries such as oil and gas, plumbing, power plants, and construction...
Read More
May 17, 2025
Plastic welding is a crucial process used in industries ranging from automotive and aerospace to medical and constructi...
Read More