Mezonic Oslo
Mezonic Oslo
Mezonic Porsgrunn
Grepi Plast
Pavels Innovation
+47 476 60 111 Monday - Friday 09:00 - 17:00 Akersgt 7, 0158 Oslo
+47 476 60 111 Monday - Friday 09:00 - 17:00 Hydrovegen 19, 3933 Porsgrunn
+47 476 60 111 Monday - Friday 09:00 - 17:00 Hydrovegen 19, 3933 Porsgrunn
+47 476 60 111 Monday - Friday 09:00 - 17:00 Hydrovegen 19, 3933 Porsgrunn

Finished products. Industrial components. Small and large series.

We specialize in injection molding of plastic products

Contact us today for a chat about your production needs!

Marius Gjelstad Gundersen
Tel: +47 476 60 111
Email: marius@grepi.no

Need for plastic expertise?

We supply design, prototyping, testing, full-scale manufacturing, packing and assembly.

We have the technology and expertise you need to produce products for the industry. Our team is a material expert and has extensive experience in choosing the right material to get the expected properties in a finished product. We are concerned with quality assurance of the product and know what parameters to examine to detect any quality deviations. We have particular expertise in what is required for the products to be produced in large volumes at the right price and quality. We are therefore an important partner for our customers!

Our services

  • Adaptation of products for mass production
  • Establishment of quality criteria and production parameters
  • Construction of form tools
  • Follow-up during the production of form tools
  • Plastic production
  • Packaging
  • Assembly

Our history

Since 1999 we have been producing high quality plastic products. Our factory is located in Porsgrunn, and consists of eight casting machines. We can efficiently produce products where multiple materials are included with our 3-component machine.

Mezonic AS consists of Grepi Plast and Pavels Innovation. Grepi Plast is our manufacturing factory and our centre of expertise in material technology. Pavels Innovation is a dedicated company for multidisplin product development, prototypes and industrial design. We also work closely with manufacturers in Denmark and Asia, and, if necessary, bring in additional expertise, capacity and suitable machines.

Related customer cases

Water damage, the largest type of damage suffered at insurance companies

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Water damage accounts for the largest type of damage among insurers. In a meeting between Pavels Innovation, Grepi Plast and Armaturjonsson, it was discussed how to prevent the water damage. The innovative solution was Arjonstop.

New energy saving requirements

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There has been a greater focus on saving energy consumption in the world, and with the new regulatory requirement in Europe related to energy savings, there is a need to find new solutions. Grepi Plast AS developed and patented a new special clamp for insulated pipes, which meets the latest regulatory requirements in Europe related to energy saving.

New requirements for corrosion safety and drainage capacity

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SINTEF Byggforsk has new requirements for pipe-in-pipe systems for water supply in homes. The drainage capacity in a manifold cabinet should be at least 0.4 l/s and it should be corrosive. In 2015, Grepi Plast started the development of a manifold cabinet that would be adapted to new requirements in the industry.

Contact us for a chat about your production needs!

Contact: Marius Gjelstad Gundersen
Tel: +47 476 60 111
Email: marius@grepi.no

Or write to us!