How do you ensure quality and compliance?

Quality and compliance are central to everything we do at Rosti Group. All of our 12 manufacturing facilities operate under internationally recognised certifications, including ISO 9001, ISO 13485 (medical), ISO 14001, and ISO 50001, ensuring rigorous standards for quality, sustainability, and energy management. Our teams follow robust quality assurance processes, including advanced product validation, in-line inspections, and traceability systems to guarantee consistency and reliability across every production run. For highly regulated sectors such as medical devices, automotive, and consumer goods, we ensure strict adherence to industry-specific standards and regulatory requirements. Through continuous improvement programmes, data-driven monitoring, and close collaboration with our customers, we deliver products that not only meet but often exceed expectations for quality, safety, and compliance.

Do you provide design and engineering support?

Yes. At Rosti Group, our support goes far beyond plastic injection molding. Our Plastic Contract Manufacturing services provide full design and engineering services, helping customers bring ideas from concept through to production. Our teams collaborate with you at every stage of the product lifecycle — from initial design for manufacture (DFM), prototyping within 72 hours, and material selection, through to tooling, testing, and full-scale production. By combining advanced simulation, rapid prototyping, and in-house engineering expertise, we ensure your products are optimised for performance, cost efficiency, and sustainability. This end-to-end approach not only accelerates time to market but also reduces risks, waste, and costs throughout the supply chain.

Where are your manufacturing facilities located?

Rosti operates 12 state-of-the-art production facilities strategically located across Europe, North America, and Asia. This global footprint allows us to manufacture close to your end markets, helping to reduce lead times, optimise supply chains, and support your sustainability goals. By accessing the full breadth of our plastic injection molding capabilities at any of our sites, you benefit from consistent quality, efficiency, and innovation worldwide. The advantages of this approach include reduced time to market, the ability to navigate economic headwinds with greater flexibility, and opportunities to lower costs through optimised production and logistics – helping you stay competitive in a fast-changing marketplace.

How do you support sustainability goals?

From an early stage in our contract manufacturing process, sustainability is a core element of conversations with our design and innovation teams to ensure that we are able identify opportunities to help you reduce your impact on the environment. We are continuously investing to ensure all aspect of our business operations are reducing Rosti’s impact on the environment and this can be seen throughout all aspects of our contract manufacturing services. From providing options to manufacture in sustainable and recyclable materials during the design phase through to energy-efficient machines. Adopting automated and lights-out production enables us to move away from traditional manufacturing methods, helping to drive efficiencies when it comes to material utilisation and reducing waste. When planning the logistics and delivery of a finished product, packaging is an integral part to to transporting high-quality products. Our Contract Manufacturing team support customer to select light-weight returnable or recyclable packaging to reduce waste and emissions whilst maintain quality standards.

What is Contract Manufacturing

Contract manufacturing happens when one company partners with a specialized manufacturer to produce specific components or products for a set period of time. Think of it as outsourcing production to experts who can deliver exactly what you need, when you need it. In a typical arrangement, a contract manufacturer produces parts, components, or even complete products according to the client’s specifications. These items are then used by the client in their own manufacturing process or incorporated into their final products. Many contract manufacturers operate as third-party specialists, either focusing solely on subcontracting or supplying products to multiple companies. Learn more about <a href="https://www.rosti.com/en-us/resources/blogs/contract-manufacturing/">contract manufacturing</a>.

Rosti

Design Support

Product Design for High-Performance Plastic Solutions

Rosti provides comprehensive design support that speeds up product development, reduces risk, and ensures every component is optimized for performance, manufacturability, and sustainability.

By working as an extension of our customers’ teams, we combine engineering expertise, materials knowledge, and advanced digital tools to turn early concepts into robust, production-ready designs. From feasibility studies and design for manufacturing to prototyping and functional testing, we help customers streamline development, cut costs, and get better products to market faster.

Scott Dickson
R&D Technical Manager

Rely on Rosti’s Expertise and Analytics

We have a skilled and highly proficient team of product designers and engineers, capable of developing innovative ideas and optimizing your product design.

Supported by customized software solutions that bring your ideas to life.

Rosti Expert Analytical Systems is a suite of tools for component design and tool optimization. It includes a customized version of Autodesk Mouldflow Insight and Moludex to simulate production and troubleshoot problems before manufacturing begins. This approach aims to streamline project management, cut costs, and prevent risks you might encounter when working with new materials, tools, and processes.

The Value of Prototyping

As total solution providers, we understand the importance of fast, accurate prototyping, so we use two different approaches depending on your project’s needs.

We often work with a select group of specialized suppliers to provide quick and cost-effective prototyping services. We have also developed our own direct digital manufacturing (DDM) processes, which allow us to create prototypes using 3D printing, eliminating the need to invest in traditional tooling. We use different prototype materials and methods to give you prototyping tools tailored to your project needs.

FAQ

What is OEM vs Contract Manufacturing?

OEMs and contract manufacturers differ primarily in terms of control, intellectual property ownership, and design responsibility. An Original Equipment Manufacturer (OEM) produces products according to a client’s precise design, with the client retaining ownership of the brand and intellectual property. In contrast, a Contract Manufacturer (CM) typically manufactures parts or complete products based on the client’s specifications, while the client maintains control over the design and production requirements. In many cases, contract manufacturing forms part of an OEM relationship, where the CM serves as the production partner or factory, and the client acts as the OEM.
How do you ensure quality and compliance?

Quality and compliance are central to everything we do at Rosti Group. All of our 12 manufacturing facilities operate under internationally recognised certifications, including ISO 9001, ISO 13485 (medical), ISO 14001, and ISO 50001, ensuring rigorous standards for quality, sustainability, and energy management.

Our teams follow robust quality assurance processes, including advanced product validation, in-line inspections, and traceability systems to guarantee consistency and reliability across every production run. For highly regulated sectors such as medical devices, automotive, and consumer goods, we ensure strict adherence to industry-specific standards and regulatory requirements.

Through continuous improvement programmes, data-driven monitoring, and close collaboration with our customers, we deliver products that not only meet but often exceed expectations for quality, safety, and compliance.
Do you provide design and engineering support?

Yes. At Rosti Group, our support goes far beyond plastic injection molding. Our Plastic Contract Manufacturing services provide full design and engineering services, helping customers bring ideas from concept through to production.

Our teams collaborate with you at every stage of the product lifecycle — from initial design for manufacture (DFM), prototyping within 72 hours, and material selection, through to tooling, testing, and full-scale production. By combining advanced simulation, rapid prototyping, and in-house engineering expertise, we ensure your products are optimised for performance, cost efficiency, and sustainability.

This end-to-end approach not only accelerates time to market but also reduces risks, waste, and costs throughout the supply chain.
Where are your manufacturing facilities located?

Rosti operates 12 state-of-the-art production facilities strategically located across Europe, North America, and Asia. This global footprint allows us to manufacture close to your end markets, helping to reduce lead times, optimise supply chains, and support your sustainability goals. By accessing the full breadth of our plastic injection molding capabilities at any of our sites, you benefit from consistent quality, efficiency, and innovation worldwide.

The advantages of this approach include reduced time to market, the ability to navigate economic headwinds with greater flexibility, and opportunities to lower costs through optimised production and logistics – helping you stay competitive in a fast-changing marketplace.
How do you support sustainability goals?

From an early stage in our contract manufacturing process, sustainability is a core element of conversations with our design and innovation teams to ensure that we are able identify opportunities to help you reduce your impact on the environment.

We are continuously investing to ensure all aspect of our business operations are reducing Rosti’s impact on the environment and this can be seen throughout all aspects of our contract manufacturing services.

From providing options to manufacture in sustainable and recyclable materials during the design phase through to energy-efficient machines. Adopting automated and lights-out production enables us to move away from traditional manufacturing methods, helping to drive efficiencies when it comes to material utilisation and reducing waste.

When planning the logistics and delivery of a finished product, packaging is an integral part to to transporting high-quality products. Our Contract Manufacturing team support customer to select light-weight returnable or recyclable packaging to reduce waste and emissions whilst maintain quality standards.
What is Contract Manufacturing

Contract manufacturing happens when one company partners with a specialized manufacturer to produce specific components or products for a set period of time. Think of it as outsourcing production to experts who can deliver exactly what you need, when you need it.

In a typical arrangement, a contract manufacturer produces parts, components, or even complete products according to the client’s specifications. These items are then used by the client in their own manufacturing process or incorporated into their final products. Many contract manufacturers operate as third-party specialists, either focusing solely on subcontracting or supplying products to multiple companies.

Learn more about contract manufacturing.

What is OEM vs Contract Manufacturing?

OEMs and contract manufacturers differ primarily in terms of control, intellectual property ownership, and design responsibility. An Original Equipment Manufacturer (OEM) produces products according to a client’s precise design, with the client retaining ownership of the brand and intellectual property. In contrast, a Contract Manufacturer (CM) typically manufactures parts or complete products based on the client’s specifications, while the client maintains control over the design and production requirements. In many cases, contract manufacturing forms part of an OEM relationship, where the CM serves as the production partner or factory, and the client acts as the OEM.

The guidance we provide throughout the design process focuses on innovation, performance, and sustainability. We always strive to incorporate these values into the entire project. The result is a product design that is perfectly aligned with the production process, enabling streamlined manufacturing and less waste.

At Rosti, product design is one of our specialties. From product concept to prototyping and manufacturing design, we have the experience and skills to help bring your product vision to life. Our expert product designers and engineers can work closely with you at every step of the product design process to ensure that everything exceeds your expectations. We know that product design can be challenging and confusing, so we make sure to guide you every step of the way. That’s why product design with Rosti is so successful—our experience and expertise make your product designs a reality with minimal stress.

Product Design & Development

We guide products from idea to launch through a structured design and development process. By combining analytical review, prototyping, and forward-thinking design, we ensure every solution is viable, manufacturable, functional, and commercially successful.

two Rosti staff in front of computor and simulation

Concept Evaluation & Feasibility

All ideas go through internal screening and analytical review. We assess cost, revenue potential, competition, longevity, and technical feasibility to ensure that only strong, viable concepts move forward.

Prototyping & Product Development

We develop and test prototypes to validate performance, quality, and manufacturability. Successful designs move through controlled development stages toward full-scale production.

Functional & Aesthetic Integration

Our forward-thinking design approach brings together technology, materials, mechanics, and user experience into a single cohesive product. We balance functionality and aesthetics to deliver solutions that perform exceptionally while maintaining strong design integrity.

Saving you money, materials, and time

With decades of experience in injection molding, we can identify the opportunities and risks in every project from a very early stage. By partnering with Rosti at the beginning of your project, you get more than just product design support from skilled engineers and product designers—you also gain insight from a supply and manufacturing perspective. Working with Rosti on your product design helps streamline production, cut waste, and ultimately save time and money.

With our product designers’ broad expertise, we can deliver complete solutions—from concept to reality—while letting you decide how involved you want to be in the day-to-day process. You can even consult with us after the design phase is underway. We’re happy to meet with you and your product designer to discuss the feasibility of your project and identify the performance and sustainability concerns that may affect it. Together, we’ll design solutions that lead to a final product everyone is satisfied with.

The importance of user testing during the product development process

User testing plays a crucial role in product design. By incorporating user research into the product development process, product teams can gain insights on how the end product can best meet users’ needs. User feedback enables teams to identify potential flaws early in the process and also allows them to gather input from a diverse group of users who may be using the product in different contexts and therefore have different experiences. Additionally, user testing helps product teams understand usability issues and prioritize which features should be added or removed to improve the product. Ultimately, user testing is an essential tool to help product teams build products designed with the intended end user in mind.

How to consider the manufacturability of a product during the design process

When designing a product, it’s important to keep manufacturability in mind. The product should be designed with its eventual manufacturing process as a key consideration. Product designers need to anticipate production challenges and look for cost-effective solutions. Making sure design decisions take into account the final product’s budget limitations, available resources within the manufacturing plan, and how these constraints can be leveraged for manufacturability can help prevent delays and additional costs later on. That’s why designers should consider potential obstacles before fabrication, ensuring the product can be manufactured without issues.

With years of engineering and manufacturing product design experience, we’ll collaborate with you every step of the way to create a product that meets your needs and exceeds your expectations. We understand how important it is to design products quickly and efficiently, and our team will ensure everything meets your requirements while still maintaining quality control standards.

If you need assistance with any part of the product development process, contact Rosti. We specialize in turning concepts into reality and our team would be happy to help you.