JSB Plastics
Unit 2 Charnwood Edge Business Park, Syston Road, Cossington, LE7 4UZ
About
JSB Plastics Limited, a family-owned UK contract manufacturer based in Leicester, specialises in comprehensive plastic injection moulding and fabrication services, offering end-to-end solutions from design and tooling to assembly and packing. Supported by a fleet of 12 Sandretto injection moulding machines ranging from 60 to 600 tonnes, including a recent larger Romi Sandretto, their capabilities extend to heat bending, fabrication, assembly, hot foil blocking, and precision CNC milling/turning, with expertise in technically challenging materials and a focus on environmentally friendly alternatives. Holding ISO 9001 certification and pursuing ISO 14001, JSB Plastics serves diverse sectors, producing components for well-known retail and technology brands, and is distinguished by its proven track record of managing projects from concept to completion, providing technical support, efficient delivery, material flexibility, and collaborative problem-solving for long-term, cost-effective partnerships.
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JSB Plastics Limited is a family-owned UK contract manufacturer based in Leicester, specialising in plastic injection moulding and fabrication. With a history dating back to 1992, the company offers a complete end-to-end service, from initial product design and tooling development through to final assembly and packing. Their operational scale is supported by a fleet of 12 Sandretto injection moulding machines, with capacities ranging from 60 to 600 tonnes, including a recent significant investment in a larger Romi Sandretto machine to handle more substantial projects.
The company's capabilities encompass a wide array of manufacturing processes, including injection moulding, heat bending, fabrication, assembly, and hot foil blocking. JSB Plastics demonstrates expertise in working with technically challenging materials and is actively exploring environmentally friendly alternatives. Their equipment allows for precision work, including CNC milling and turning for specific projects. They serve a diverse client base across various sectors, producing components for well-known retail brands and technology companies.
JSB Plastics holds ISO 9001 certification and is pursuing ISO 14001, underscoring their commitment to quality and environmental responsibility. They have a proven track record of successful project delivery for prominent clients such as Ritz, Dairylea, One Direction, Waitrose, Dell, Durex, and M&M's. Clients consistently praise JSB Plastics for their ability to manage projects from concept to completion, providing technical support, efficient delivery, flexibility with materials, and collaborative problem-solving, fostering long-term partnerships built on high service levels and cost-effectiveness.
Verified facts— hover any value to see its source
CNC capability3
- Sub-process
- Milling, Grinding
- Named machine brands
- Haas
- MOQ (minimum batch)
- 50
Materials & sectors2
- Materials
- Plastic
- Industries served
- Automotive, Consumer goods
Certifications & approvals2
- ISO 9001
- Held
- ISO 14001
- Held
Quality & traceability1
- In-house toolroom
- Yes
Welding & fabrication1
- Fabrication offered
- Yes
Services & production3
- DFM support
- Yes
- In-house finishing
- Heat bending, Deburring, Assembly
- Repeat orders (Kanban / VMI)
- Yes
29 of 41 facets not yet verified — show which
CNC capability: Specialist categories · Tier-one builder presence · CAM software · Aerospace-grade CAM · CAD software · In-house design · Tolerance (typical) · Tolerance (tight) · Micro-machining · Lead time (weeks)
Certifications & approvals: AS9100 · ISO 13485 · IATF 16949 · NADCAP · Primes supplied · ITAR registered
Welding & fabrication: Welding automation · Welding materials · Coded welding (any) · Fabrication sub-categories · EN 1090 EXC level
Quality & traceability: NDT methods · Part marking · Process traceability · CofC offered · Cleanroom assembly · 3D scanning · Industrial CT · FAIR capability (AS9102)