Precision Automotive Welding Systems, Built to Order

As a trusted automotive plastic welding machine manufacturer, Request your complimentary quote within 24 hours for door panel, bumper, and headlight assembly lines. Explore our customer case studies on precision welding for interior and exterior parts, and learn about best practices and cost-saving strategies for your manufacturing process.
● ISO 9001 Certified
● Expertise in UAW, VW Standards
● Trusted by Global Tier 1 Suppliers
● 50+ Automotive Projects Completed

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Automotive Robotic Welding Cells: Ready to Deploy.

Dizo Sonics specializes in custom plastic welding robots and Reduce changeover time by 50% with our custom automated welding systems for door panels and dashboards. These systems boost uptime and lower costs for automotive parts manufacturing.
● Expertise in ABS, PP, PE & Nylon
● 50+ Systems Installed
● ISO 9001 Certified

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Conquer Complex Auto Part Welding.

As a trusted automotive plastic welding machine manufacturer, Our state-of-the-art multi-head welding systems feature independent PLC control and 360° adjustable heads. They are engineered to meet Tier 1 automotive standards while solving five common welding challenges in dashboard and door panel manufacturing.
● Expert in ABS, PC, PP & Composites
● ISO 9001:2015
● Serving Tier 1 Suppliers Globally

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High-Strength Welds. No High Price Tag.

Experience Precision Hot Plate Welding for Large Parts: Featuring industry-leading accuracy (±0.5mm) at competitive prices. Our solution offers the most cost-effective approach for large component assembly. Request a quote today and see the difference.
● CE Certified
● 2-Year Warranty
● Precision Engineering Since 2007

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Production-Ready Vibration Welders. Globally Certified.

Our ISO 9001 & CE Certified Systems include Expert Lifetime Support. Contact us today for pricing and delivery timeframes tailored to your project. Discover how our solutions provide perfect sealing and exceptional strength for all your large part assembly needs.
● SGS Certified
● 24/7 Support Hotline
● Backed by Our 20+ Years Engineering Team

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20+ Years

of Industry Experience

13,000 Units

Annual Plant Capacity

Class100,000

Industrial Clean Room

30+ Sets

of CNC Lathe Equipment

Customize Your Plastic Welding Machine

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.
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.

Various Automobile Plastic Welding Machines

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.

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Auto Interior Parts Automatic Ultrasonic Welding Machine

Dizo Sonics 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.

Auto Tank Hot Plate Welding Machine

Dizo Sonics 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.

Auto Bumper Ultrasonic Welding & Punching Machine

Dizo Sonics 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.

Auto Door Panel Servo Heat Staking Machine

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

Auto Exterior Parts Multi-head Ultrasonic Welding Machine

Dizo Sonics Auto Exterior Parts Multi-head Ultrasonic Welding Machine delivers high-efficiency, precision welding for automotive exterior parts like bumpers and grilles. The customizable, digitally controlled system provides industrial-grade durability for high-volume production.

Auto Inner Components Welding Robot Workstation

Dizo Sonics Auto Inner Components Welding Robot Workstation ensures precision welding for car interior components, featuring rapid mold change and stable performance. Ideal for plastic parts assembly and trim manufacturing.

Auto Lamp Hot Plate Welding Machine

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

Auto Interior Parts Heat Staking & Hot Plate Combo Welding Machine

Dizo Sonics Heat Staking & Hot Plate Combo Welding Machine integrates heat staking and hot plate welding for automotive interiors, offering programmable controls and consistent, high-strength bonds for critical components.

Industry 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.

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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.
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 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.

5,000
Square Meters
5
Production Lines
30
Processing Machines
5
Testing Facilities

About Us

What We Do

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.

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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.

International Certifications

Our plastic welding machines carry CE, ISO, and RoHS certifications, ensuring full compliance with stringent international standards.

Our Customers

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!

Customer Feedbacks

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.

Ganiev Umid

Automobile Assembly Plant Manager

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

Juday Fecio

Toy Factory CEO

We are thrilled to have found an ultrasonic welder supplier like Dizo, offering excellent service. We will establish a long-term cooperation with them.