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


We are a company that offers multidiscipline product development with special expertise in the sustainable use of plastics. We offer solutions to customers in a variety of industries. Some industries we have chosen to dig deeper into ourselves and invest in our own products. This includes:

  • Recycling solutions
  • Consumer drinking cups and bottles

High technical competence

In cooperation with our subsidiaries Grepi Plast and Pavels Innovation, we have the technology and expertise needed to design and manufacture plastic products for a variety of sectors. Our technical expertise is high, with employees who have extensive industry experience. In addition to our own developed products, we help our customers with technical design and production of new products. Whether you have a new idea or want to renew an old solution, whether you are an entrepreneur or a professional, we can assist you in the development of your product.

Our highest priority is to satisfy our customers' needs and deliver outstanding products with lasting customer value. Our goal is to deliver high-quality plastic products by generating new ideas and making ideas a reality!

Our services

Product development of product

Do you want to develop a product or make product improvements? We will help you develop the best possible product! 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 a centre of expertise for material technology and have special experience in choosing the right material for your product.

Prototypes are produced with a 3D printer

Are you about to start your production or do you need production of small series? We can help you create a prototype. When testing the product, ensuring quality and avoiding unfortunate construction solutions that can lead to poor properties in the product, it is advisable to let those with expertise in this field take care of the job.

Machine in full production

Are you about to start producing a new product or do you want to move production? Our technical expertise in plastic production is high, with employees with extensive industry experience. Together with us you can start your serial production, develop form tools or we can contribute to the after-production of industrial components and consumer products.

Waste container tracking map

Do you want full overview of the waste containers and optimized driving routes? Then our tracking and route optimization system can be the right solution for you! In cooperation with APX Systems, we provide an IT solution that contributes to efficient waste management through waste management tracking and route optimization.

About a product collaboration with us



Together we will reveal your needs and create a plan for how we can help you develop a quality product.



We plan the development of the product and put together the relevant team to meet your needs. We also create a schedule for implementation and finished product. We also come to an agreement on price.



When the right times comes, we start the product development. The next part consists of developing the first prototype and testing the product. If we discover something that can be improved, we will make the last changes to the product before we start series production.


Product completion

When the product is produced, we perform, among other things, an accurate and daily monitoring of these parameters, using regular microscopy studies of critical areas.

Related customer cases

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

/ / /
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 requirements for corrosion safety and drainage capacity

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.

Corrosion in the pipes within the insulation

/ Offshore /
On offshore installations and onshore refineries and other petrochemical plants where there are large amounts of pipe streets, there is a challenge that corrosion may occur in the pipes on the underside of the insulation. There are various methods for detecting CUI problems, among other things. using X-rays and ultrasound, but this is complicated and cost a lot of moneys. The [...]

Do you have any questions? Contact us!