Neptune Injection

Neptune Injection Limited is a highly experienced UK-based contract manufacturer with 50 years of expertise in precision engineering and mould tool manufacture. Operating from a state-of-the-art facility in Stevenage, Hertfordshire, they specialize in injection mould tools and plastic moulding, serving clients across Cambridge, Essex, Hertfordshire, Buckinghamshire, London, and the wider UK. Their comprehensive services cover the entire product lifecycle, from initial design and prototyping through to tooling, mould fabrication, injection moulding, component production, and validation.

The company offers a full turnkey service, encompassing the manufacture of prototype and hardened production injection mould tools utilizing advanced CADCAM integration and modern CNC machinery. Their injection moulding capabilities include processor-controlled machines with clamp sizes from 40 to 200 tonnes, capable of moulding components from fractions of a gram up to 500 grams, and they are adept at handling complex overmoulding and high-temperature polymers. Neptune Injection also provides specialized subcontract laser welding for mould tool repair and nationwide mould tool servicing and repairs, including emergency breakdown support. They serve a diverse range of industries, with particular strengths in medical device moulding and tooling, and thin-walled injection moulded packaging.

Neptune Injection is ISO 9001:2015 certified and operates controlled cleanroom facilities for medical device production. Key differentiators include competitive lead times, rapid prototype development, UK-based manufacturing, and lights-out manufacturing capabilities.