Sweden's greenest plastics company

Mellanrum

  Invigning 

Invitation to seminar and grand opening

We have built a new production facility and expanded and renovated our office spaces – and now we would like to celebrate this together with you.
The day begins with seminars and end with the official grand opening of our new production facility

Mellanrum

Mellanrum

Our Business Idea

Sweden's greenest plastics company
Mälarplast is a complete supplier of environmental and customised technical plastic solutions.
We work quickly and tailor our products to suit the needs and wishes of our customers –
supplying everything from “just” plastic components to complete, pre-packaged system solutions.
Sustainability is always a priority for us. This, together with short lead times
and a supply reliability rate of almost 100%, makes us a leader in our industry.

Mellanrum

Mellanrum

Circular solutions

At Mälarplast, we like to use regenerated (recycled material) and different types of bioplastics where possible. Choosing the right material with regard to both product requirements, economics and the environment is part of our customer-unique offer.

Sustainability

Mälarplast’s sustainability efforts are part of our business strategy – to be Sweden’s greenest plastics company. We are working on continuous environmental improvements in order to contribute to reduced environmental impact and a sustainable society.

Flexible contract production

Mälarplast is a complete supplier of environmental and plastic technical solutions. We work quickly and efficiently to produce the right product in the right material, from prototype to fully packaged detail.

Business areas

Mälarplast processes thermoplastics by injection moulding . We provide contract services to companies in a wide variety of industries.

Mellanrum

2026-04-01


Summer Notice – please plan your orders in advance ☀️

We would like to wish all our customers a wonderful summer! During the holiday period, our capacity will be slightly reduced. We will be closed during weeks 28–29, and in the weeks before and after, our capacity may be...

2026-03-05


A new phase in our development – and invitation to themed event on May 5th

This spring marks the beginning of an exciting new chapter for us. After an intensive period of planning, construction, and development, our expansion is now approaching its final stage – both in our office and in our...

2025-11-20


A warm congratulations to our CEO, Peter Wall

We are incredibly proud that our CEO, Peter Wall, has been named the winner of Sörmland’s Innovation Leader of the Year 2025 – Private Sector. This award is a well-deserved recognition of Peter’s visionary...

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