At Neptune Injection Ltd, part of Neptune Engineering, we have built a strong reputation for quality, innovation, and flexibility. With over 50 years of combined experience, we are proud to be one of the UK’s leading specialists in injection moulding and mould tooling.
Our Facility
Located in Stevenage, Hertfordshire, our state-of-the-art manufacturing facility combines advanced technology with a highly skilled team. We operate under ISO 9001:2015 certification, ensuring consistent quality and a commitment to continuous improvement. Our extensive and modern plant, coupled with lights-out manufacturing capabilities, enables efficient production from prototype to batch scale.
Why Choose Neptune Injection
We support clients across multiple industries, delivering fast turnaround times without compromising on quality. Our full turnkey service spans:
With an in-house toolroom and moulding shop, we can provide cost-effective, high-quality components while our network of trusted partners extends our capabilities for specialised services.
Commitment to Excellence
At Neptune Injection, we focus on building long-term partnerships. Whether you’re launching a new product or scaling production, our team is ready to deliver precision-engineered solutions that meet your exact specifications.
We serve clients across the UK, known for our fast turnaround times and consistently high standards. From concept to completion, we offer a full turnkey service—covering design, tooling, moulding, and validation.
Our in-house toolroom and moulding shop allow us to produce cost-effective, high-quality components, while our trusted network of partners enables us to offer a wide range of specialised services.
Whether you’re starting a new project or scaling production, our team is here to help. Let’s build something great together.
