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An ISO 9001:2000 accredited company, offering a comprehensive array of Ultrasonic Plastic Welding Equipment, Ultrasonic Liquid Processors, Ultrasonic Plastic Welding Machine, , etc.  


Catering to the needs of varied industries like automotive, packaging, medical, electrical, textile/ film technology, Johnson Plastosonic (P) Ltd. started its operation in the name of M/s National Indosonic. The company commenced its activities by offering services in the field of Ultrasonic Plastic Welding Machine. Later in the year 2007, we transformed into a pvt. ltd. unit from an enterprise. In the year 2001, we developed our first Ultrasonic Plastic Melding Machine.

We are led by vastly experienced Directors, who possess in-depth knowledge in fabricating ultrasonic vibration generating equipment, developing new applications in the area & also in distribution & service providing for the same. Today, we are recognized as the leading name in the domain of industrial ultrasonics. Envisioned to provide reliable solutions, we are a world renowned manufacturer and supplier of the industry.

Our extensive array comprises Ultrasonic Plastic Welding Equipment, Ultrasonic Liquid Processors, etc. We lay great emphasis on continuous research & development activities so as to ascertain an innovative range of machinery. Owing to thorough R & D practices, we have been able to fabricate 1st Ultrasonic Generator with Auto Tuning Facility.


We have set up a state-of-the-art infrastructural facility incorporated with sophisticated manufacturing unit, quality control facility, warehouse, and other requisite facilities. We possess an in-house manufacturing unit of electronics, which is equipped with PCB assembly & testing with adequate facility & testing equipment, assembly & wire harnessing. We are also empowered with a sound mechanical facility comprising machines like 3D modeling, turning, drilling, cutting, lapping, and others. In addition, our production facility is outfitted with:
  • Lathe machines
  • Oscilloscopes
  • Milling machines.
Product Range

Fabricated by using high grade electronic components and aluminium, our product range finds application in varied industrial segments. The comprehensive array of machines and equipment offered by us encompasses: 
  • Ultrasonic Plastic Welding Equipment
  • Ultrasonic Liquid Processors
  • Ultrasonic Plastic Welding Machines
  • Ultrasonic Welding Stands
  • Ultrasonic Welding Guns
  • Horns And Fixtures
  • Ultrasonic PP Corrugated Box Welders
  • Ultrasonic PP Box Welders
  • Ultrasonic Fabric Sealers
  • Ultrasonic Blister Packaging Machines
  • Ultrasonic PP Woven Sack Welders
  • Ultrasonic Tube Sealing Machines
In addition to the above mention range, we also provide:
  • Ultrasonic Plastic Welding Machines & Hand Held Welding Units
  • Fabric Continuous Cutting & Sealing Machines
  • Ultrasonic Machines For Packaging
  • Special Purpose Machine in field of Ultrasonic Vibrations Utilizations.

Assured Quality
Our prime objective is to deliver remarkable quality industrial ultrasonics to our esteemed clientele. To ensure optimum performance and durability of our range, we strictly adhere to stringent quality measures during the entire manufacturing process. We have with us qualified team of quality auditors who maintain a close vigil on the production process so as to ascertain higher standards. In addition, they inspect the sourced raw material/components for any sort of manufacturing defect.  

Being an ISO 9001:2000 approved organization, we remain committed to maintain international quality standards at each stage of production. Moreover, all the fabricated machines and equipment are thoroughly tested in our sound quality testing facility. The auditors conduct various tests such as: 
  • HV test
  • Power test
  • Dimension test.
Why Us?

Following are some of the major factors for which are preferred by a large number of clients across the country:
  • Premium quality product range
  • Competitive prices
  • State-of-the-art infrastructural facility
  • Use of latest technology
  • Excellent after sales support
  • Transparency in dealings
  • Timely delivery of consignments.

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