Chinaplas 2024German Exhibitors SONOTRONIC GmbH


Booth number: HALL 2.1-P01

About us

As a pioneer in the Ultrasonic Technology, SONOTRONIC GmbH develops and produces machines, systems and components for the joining of plastics. Our innovative systems are used worldwide by well-known OEMs to produce plastic parts for exterior and interior trim in the automotive industry. In addition, we manufacture high-tech ultrasonic systems for the plastics, packaging, food, textile, medical and environmental industries. With our Global Headquarters in Germany and locations in the USA, China and Spain, we are one of the leading companies in our industry. Together with our dedicated team, we are actively committed to ensuring a sustainable and forward-looking plastics joining technology.

1974 Foundation of SONOTRONIC in Karlsbad-Langensteinbach

Ultrasonic components Production with many years of experience and great know-how

Plastics Specialist for joining injection molded and extruded plastic parts

Automotive Special and standard machines for the processing of plastics

Technical Textiles The use of ultrasonic improves the CO2 balance

Packaging & Food Ultrasonic technology in the packaging industry

We are a manufacturer of standard and special machines for various industries.

Design of the sonotrodes and anvils

Development / design

Ultrasonic converter Different frequencies for optimal welding results


Becker-Göring-Str. 17 – 25
76307 Karlsbad

Phone:  +49 7248 91660
10F SHENSY Building, No.263 Shitai Road, Baoshan District
P. R. China

Phone:  +86 21 68407700

Contact person:

Marc Hägele
CSO (Chief Sales Officer)
Phone: +49 151 27616753

Products & Services

We develop high-tech systems and components for joining plastics based on ultrasonic, infrared, hot plate and hot air technologies. A significant aspect of the business is standard and special machines for ultrasonic welding and punching for the automotive, platics and packaging industries. We have transferred the advantages of ultrasound to other applications as well, for example, for new processes in the textile industry or environmental engineering.

iSONIC FLEX – Automated production lines

Flexible and fully automated series production with robot technology
Our future-oriented machine concepts for the assembly and finishing of components such as center consoles, door panels and instrument panels stand for automation at the highest level. Modern manufacturing processes require the integration of upstream and downstream operations such as screwing, clipping, etc.
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Compact welding cabin with exchangeable tool cassette
The ECOFLEX iSONIC ultrasonic welding cabin presents itself in a completely revised concept. The special feature is above all the working area: Individually tailored to the respective application, it is now integrated into the cabin as an exchangeable tool cassette. The cassette can be exchanged either from the operator side or from the rear of the machine.
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Ultrasonic welding machine
The intelligent standard machine ECO iSONIC combines highly developed ultrasonic components with first-class mechanical engineering and up-to-date control solutions. With its intuitive operation and user guidance, the standard machine's performance is impressive - especially for plastics processing of small applications. Without expert knowledge and training depth, the user is able to obtain top welding results over a wide range of different components.
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