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How to choose the right plastic injection moulding partner for your next project

Selecting the right plastic injection moulding partner is a pivotal decision for any project involving the production of plastic parts. Whether you're launching a new product or looking to scale production, the quality and reliability of your injection moulding partner can greatly influence the success of your project.

Here are key factors to consider when choosing the right plastic injection moulding company:

1. Expertise and Experience

Look for a company with a proven track record in injection moulding. Experience in your specific industry can be a significant advantage, as it means the manufacturer will have a better understanding of the common challenges and standards required. Check their portfolio and case studies to see examples of previous work.

2. Capacity and Capability

Assess the production capabilities of the company to ensure they can meet your quantity needs without compromising on quality. This includes checking the sizes of moulds they can handle, the types of materials they work with, and their ability to perform moulding processes like overmoulding or insert moulding.

3. Quality Control Systems

Quality assurance is crucial in injection moulding. Ensure your potential partner has robust quality control systems in place. This includes certifications such as ISO 9001, which demonstrates a commitment to maintaining high standards throughout the manufacturing process.

4. Communication and Support

Effective communication is key to any successful partnership. Your injection moulding partner should be responsive and transparent with project updates and any challenges that arise. Good support also includes assistance in design for manufacturability (DFM), which can help optimise your product design for injection moulding.

5. Location

Consider the location of your injection moulding partner in relation to your supply chain. A local manufacturer might offer quicker turnaround times and lower shipping costs, whilst also reducing logistical challenges. It also offers the obvious benefit of reducing the carbon footprint associated with your product due to the lower transportation distances involved.

6. Cost Structure

Get a clear understanding of their pricing structure and how it fits within your budget. Be wary of quotes that seem too good to be true; they may not include all the costs associated with your project, such as tooling setup and post-production services.

7. Lead Times

Ask about their typical lead times from the initial order to the final delivery. Understanding their process timeline will help you plan your project schedule more accurately and assess whether they can meet your deadlines.

8. Sustainability Practices

If sustainability is a concern for your project, consider the environmental practices of the manufacturing process used by the injection moulder. Some companies may offer more sustainable solutions like the use of recycled materials or energy-efficient processes.

9. References and Reviews

Don’t hesitate to ask for references or to check online reviews from other customers. Feedback from past clients can provide insight into their reliability, customer service and the quality of the products they produce.

Choose a Partner for the Long Term

Choosing the right plastic injection moulding partner is about more than just cost; it's about finding a company that aligns with your project's values, quality standards and timeline. By thoroughly evaluating potential partners on these key factors, you can establish a productive relationship that enhances the success of your project.

Remember, the right partner is one that not only provides quality manufacturing but also contributes to the overall value of your project through expert advice, efficient service and innovative solutions. Choose wisely, and your project will be set for success.

At Amey Plastics we are the plastic injection moulding partner of choice for many businesses in the UK.

We are always here to help, so to discuss your project or for any general inquiries about plastic manufacturing, contact the Amey Plastics team at 01730 266525 or email us at


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